Added ImageChooserBuilder
Merge pull request #5 from xMikeTx/master

Safety check + convenient function
Video Chooser Dialog Builder
Updated support library
Fixes to Builder
Fixed context in builder class
Updated version number
Updated Readme
Added Video width height params
Updated Readme
Changes
Merge remote-tracking branch 'origin/dev' into dev
Refactored ChosenImage and ChosenVideo
Refactoring method names
Height Width fixes
Updated gitignore
Fixes: Hide temp folder from appearing in gallery
Updated Readme
Added the sample app source
Removed un-necessary images