Add support for custom skeletons in CRUD generator by looking first in two application's directories
Reintroduced backward compatibility (keep a protected skeletonDir property in the class)
Added .twig extensions to every template filename in code
Consider the original property skeletonDir as default in all cases.
Merge of branches crud_force_overwrite and custom_skeleton_dirs

Conflicts resolved
Merge branch 'crud_force_overwrite'
Merge remote-tracking branch 'upstream/master'
Inline documentation typos
RST Documentation updated for the custom skeletons
PSR-0 and 1 coding fixed
Inline documentation typos: white spaces in paths
Merge branch 'custom_skeleton_dirs' of git://github.com/NinjDS/SensioGeneratorBundle

* 'custom_skeleton_dirs' of git://github.com/NinjDS/SensioGeneratorBundle:
  Inline documentation typos: white spaces in paths
  Inline documentation typos RST Documentation updated for the custom skeletons PSR-0 and 1 coding fixed
  Consider the original property skeletonDir as default in all cases.
  Reintroduced backward compatibility (keep a protected skeletonDir property in the class) Added .twig extensions to every template filename in code
  Add support for custom skeletons in CRUD generator by looking first in two application's directories