updated to Motion 3.1.3

Fixed Grid issues, where the layout calculations were being deferred …

…and causing inconsistencies in layouts.

issue-1245: Fixed issue where completion block was not executed when …

…calling Switch.toggle

issue-1247: NavigationDrawerController now exposes Obj-C methods.

prepare for release 3.1.4

Merge branch 'development'

prepare for release 3.1.2 with layout fixes

TextField & Button

updated Motion

updated Motion