Allow the user to define custom bar buttons for done and cancel.
Add podspec
Merge branch 'master' into skywinder-master
update podspec after merge
Merge branch 'master' into skywinder-master
update podspec
Merge branch 'master' into skywinder-master

Conflicts:
	README.md
Update README.md
Update README.md
Merge branch 'origin-master' into skywinder-master
update podspec version and add screenshots
update readme
added check for iPhone 4, to fix transparent view background problem.
Merge pull request #6 from JaseElder/master

added check for iPhone 4, to fix transparent view background problem.
update podfile
Update README.md
Update README.md
Update README.md
Fix isssue #8
typos