Fixed to the lineinfile module.
Added the backrefs parameter to the lineinfile module.
Added tests for the backrefs functionality of the lineinfile module.
Added additional lineinfile documentation.
A little more unit testing.
replaced && by || 

In the example, you want /bin/true to be executed if the first command has an error return code. Combining command with && will run the second only if the first is successful. Combining them with ||, the second will be run only of the first fails, what is wanted here.
Fixed option validation error

Fixed error on validation that block javascript documentation generation.
Merge pull request #2527 from mavimo/patch-1

Docs generator: fixed option (type) validation error
Merge pull request #2514 from raphinou/patch-1

replaced && by ||
Show other way to ignore command/shell errors
Merge branch 'lineinfile' of git://github.com/Tinche/ansible into lif
Merge branch 'devel', remote-tracking branch 'upstream/devel' into devel