you can choose where to put the menu controller (left or right)
Merge branch 'master' of https://github.com/kukat/NVSlideMenuController into kukat-master

Conflicts:
	NVSlideMenuControllerDemo/AppDelegate.m
	lib/NVSlideMenuController/NVSlideMenuController.h
	lib/NVSlideMenuController/NVSlideMenuController.m
Update implementation of sliding from right to left to open the menu.

* Rename `NVSlideMenuControllerStyle` into `NVSlideMenuControllerSlideDirection`
* Make a typed enum using NS_ENUM macro for `NVSlideMenuControllerSlideDirection`
* Rename `slideMenuControllerStyle` into `slideDirection`
* Fix menu view frame when sliding from right to left
* Fix bad appearance callbacks when sliding from right to left
Update demo to show the two directions.
Update slide direction change.

Changing direction when the menu is open now update the views accordingly with animation or not.
Bump version 1.3.0

* Merged pull request #1
* Update & enhance slide direction API
Bump v1.3.0