Update README.md
Merge pull request #28 from Snupps/master

Conditional compiling of iOS 7 only features by Andrea Bizzotto
Update README.md
fix issue #29 update demo app for iOS 6.1
update podspec for master branch
update README
prepare tag [0.1.4]
bumped version to [0.1.4]
update README
fix issue #34
Ability to change overlay background color via UIAppearance
Set overlayView to nil after popover dismissal. Otherwise isPopoverVisible returns true even after dismissPopoverAnimated call
Merge pull request #35 from shkutkov/master

Ability to change overlay background color via UIAppearance by shkutkov
- remove notification observer when released
Merge pull request #36 from cbess/patch-1

Fix potential keyboard observer crash by cbess
update DEMO with edgesForExtendedLayout
update version
Update README.md
fix issue #22
Merge branch 'master' of https://github.com/nicolaschengdev/WYPopoverController