Composer v1 利用時の注意点追記

composer v1 利用時で以下のようなエラーが出た場合の対処法を追記する

```
[20.2MiB/10.66s]
Problem 1
- The requested package behat/gherkin could not be found in any version, there may be a typo in the package name.
Problem 2
- The requested package bheller/images-generator could not be found in any version, there may be a typo in the package name.
Problem 3
- The requested package captbaritone/mailcatcher-codeception-module could not be found in any version, there may be a typo in the package name.
Problem 4
- The requested package codeception/codeception could not be found in any version, there may be a typo in the package name.
Problem 5
- The requested package codeception/phpunit-wrapper could not be found in any version, there may be a typo in the package name.
Problem 6
- The requested package codeception/stub could not be found in any version, there may be a typo in the package name.
Problem 7
- The requested package dama/doctrine-test-bundle could not be found in any version, there may be a typo in the package name.
Problem 8
- The requested package facebook/webdriver could not be found in any version, there may be a typo in the package name.
Problem 9
- The requested package fzaninotto/faker could not be found in any version, there may be a typo in the package name.
Problem 10
- The requested package mikey179/vfsstream could not be found in any version, there may be a typo in the package name.
Problem 11
- The requested package myclabs/deep-copy could not be found in any version, there may be a typo in the package name.
Problem 12
- The requested package phar-io/manifest could not be found in any version, there may be a typo in the package name.
Problem 13
- The requested package phar-io/version could not be found in any version, there may be a typo in the package name.
Problem 14
- The requested package php-coveralls/php-coveralls could not be found in any version, there may be a typo in the package name.
Problem 15
- The requested package phpdocumentor/reflection-common could not be found in any version, there may be a typo in the package name.
Problem 16
- The requested package phpdocumentor/reflection-docblock could not be found in any version, there may be a typo in the package name.
Problem 17
- The requested package phpdocumentor/type-resolver could not be found in any version, there may be a typo in the package name.
Problem 18
- The requested package phpspec/prophecy could not be found in any version, there may be a typo in the package name.
Problem 19
- The requested package phpunit/php-code-coverage could not be found in any version, there may be a typo in the package name.
Problem 20
- The requested package phpunit/php-file-iterator could not be found in any version, there may be a typo in the package name.
Problem 21
- The requested package phpunit/php-text-template could not be found in any version, there may be a typo in the package name.
Problem 22
- The requested package phpunit/php-timer could not be found in any version, there may be a typo in the package name.
Problem 23
- The requested package phpunit/php-token-stream could not be found in any version, there may be a typo in the package name.
Problem 24
- The requested package phpunit/phpunit could not be found in any version, there may be a typo in the package name.
Problem 25
- The requested package phpunit/phpunit-mock-objects could not be found in any version, there may be a typo in the package name.
Problem 26
- The requested package sebastian/code-unit-reverse-lookup could not be found in any version, there may be a typo in the package name.
Problem 27
- The requested package sebastian/comparator could not be found in any version, there may be a typo in the package name.
Problem 28
- The requested package sebastian/diff could not be found in any version, there may be a typo in the package name.
Problem 29
- The requested package sebastian/environment could not be found in any version, there may be a typo in the package name.
Problem 30
- The requested package sebastian/exporter could not be found in any version, there may be a typo in the package name.
Problem 31
- The requested package sebastian/global-state could not be found in any version, there may be a typo in the package name.
Problem 32
- The requested package sebastian/object-enumerator could not be found in any version, there may be a typo in the package name.
Problem 33
- The requested package sebastian/object-reflector could not be found in any version, there may be a typo in the package name.
Problem 34
- The requested package sebastian/recursion-context could not be found in any version, there may be a typo in the package name.
Problem 35
- The requested package sebastian/resource-operations could not be found in any version, there may be a typo in the package name.
Problem 36
- The requested package sebastian/version could not be found in any version, there may be a typo in the package name.
Problem 37
- The requested package symfony/browser-kit could not be found in any version, there may be a typo in the package name.
Problem 38
- The requested package symfony/phpunit-bridge could not be found in any version, there may be a typo in the package name.
Problem 39
- The requested package theseer/tokenizer could not be found in any version, there may be a typo in the package name.
Problem 40
- The requested package webmozart/assert could not be found in any version, there may be a typo in the package name.
```

本番環境に require-dev のパッケージが含まれているのが原因。以下で削除する

```
composer remove --dev behat/gherkin bheller/images-generator captbaritone/mailcatcher-codeception-module codeception/codeception codeception/phpunit-wrapper codeception/stub dama/doctrine-test-bundle facebook/webdriver fzaninotto/faker mikey179/vfsstream myclabs/deep-copy phar-io/manifest phar-io/version php-coveralls/php-coveralls phpdocumentor/reflection-common phpdocumentor/reflection-docblock phpdocumentor/type-resolver phpspec/prophecy phpunit/php-code-coverage phpunit/php-file-iterator phpunit/php-text-template phpunit/php-timer phpunit/php-token-stream phpunit/phpunit phpunit/phpunit-mock-objects sebastian/code-unit-reverse-lookup sebastian/comparator sebastian/diff sebastian/environment sebastian/exporter sebastian/global-state sebastian/object-enumerator sebastian/object-reflector sebastian/recursion-context sebastian/resource-operations sebastian/version symfony/browser-kit symfony/phpunit-bridge theseer/tokenizer webmozart/assert
```