[TW-274] rc.indent.annotation is only applied to 1st line

_Elias Probst on 2014-01-25T21:46:37Z says:_

The value defined by rc.indent.annotation is only applied to the 1st line of the annotation.
Using task 2.3.0.

```
elias(at)moria ~ % task add A testtask for annotation indentations
TASKDATA override: /home/elias/.task/test
Created task 1.
elias(at)moria ~ % task 1 annotate This is a really long annotation supposed to span multiple lines to serve as a showcase for a bug in task which only indents the 1st line of an annotation while ignoring every following line.
Annotating task 1 'A testtask for annotation indentations'.
Annotated 1 task.
TASKDATA override: /home/elias/.task/test
elias(at)moria ~ % task long
TASKDATA override: /home/elias/.task/test

ID Added Age Description
1 2014-01-25 1m A testtask for annotation indentations
2014-01-25 This is a really long annotation supposed to span multiple
lines to serve as a showcase for a bug in task which only indents the 1st
line of an annotation while ignoring every following line.

1 task
```