Merge pull request #1 from weiran/master

Added shadow radius property.
Remove shadow radius from corner radius property
Add shadowRadius property to readme
Update podspec
Added SubTiltles

+ Added Option for subTitle to each MenuItem
+ Can leave subTitle blank and Title will Center Vertically in MenuItem
Space
Merge pull request #2 from DoctorG/subTitles

Add optional menu item subtitles
Remove gitignore
Remove spacing
Fix whitespace and formatting
Add backward compatibility with v1.0
Update example project
Update README.md
Fix capitalization of subtitles
Minor fixes
Version bump (1.1)
Update README.md
Update screenshot
Fix screenshot size
Fix whitespace
adding text alignment property