Fixing double center container view being created and added to view heirarchy
Merge pull request #240 from mutualmobile/center-view-container-double-call

Fixing double center container view being created and added to view heir...
Updated for 0.5.4 release
Fix where the user could interact with the views during a gesture
Merge pull request #244 from mutualmobile/interaction_fix

Fix where the user could interact with the views during a gesture
Updating changelog and podspec
Merge branch 'master' of https://github.com/mutualmobile/MMDrawerController into barz-master