update gravity
rename README file with markdown extension
update readme
pod spec update. fix frameworks list
update framework list
remove image cache and xml reader
update pod spec to 1.0.0
remove XMLReader from framework header
update pod spec
update readme
update readme
update framework list with 'libz.dylib'
update podspec with lib z
improve drawing of tinted images by removing unneeded draws
update image tint method
update random color method to use arc4random
update podspec to 1.0.2
update read me. remove version from pod example
Updates podspec and .md
Adjusts .md