Make bin/atoum play well with symlinks to it
Allow user to pass a directory to --init (Fix #336)
Clean
Fix tests
Merge pull request #337 from jubianchi/current-working-directory

init & current working directory
Do not allow failures on php 5.6
Typo
Merge remote-tracking branch 'upstream/master'
Refactoring the lock/unlock methods to use a private members
instead of returning a resource from the lock() method to pass
it to the unlock() one.