Replace '-D' flag supplied to PHP with '-d' (former case is invalid)
Fix indentation issue picked up by coffeelint
Add generated specs file to .gitignore
Merge branch 'use_correct_phpargs_flag' of https://github.com/BBC-Knowlearn/grunt-composer into BBC-Knowlearn-use_correct_phpargs_flag
Merge branch 'BBC-Knowlearn-use_correct_phpargs_flag'
bumping to version 0.4.2