Added support for 'text-align' to UILabel
Standardized the syntax of the text-label modification
Added references to text-align in all of the supported classes in the README
Allowed color names to be used matching NSColor selector

Now colors from UIColor or catergories of UIColor can be used. Simply
take the class method name and remove the Color suffix.
Switched performSelector to objc_msgSend to suppress leak-related warning
Updated README description of Color values to include color name support
Added support for rgb(r,g,b) and rgba(r,g,b,a).

NUIConverter now recognises CSS style rgb and rgba
color specifications. Unlike CSS the NUI implementation
only handles integer values in the interval [0,255].
Added rgb and rgba color details to README.md
Merge pull request #30 from brotchie/rgba

Support for rgb and rgba color expressions
Removed initWithStylesheet's dependence on NUIStyle.nss
Updated the podspec to v0.2.1
Added hsla and floating point color expressions.
Added details of hsl/hsla color expressions to README.md.
Fixed some code formatting in NUIConverter.m
Swizzling didMoveToWindow instead of awakeFromNib so that programmatically created elements are styled
Added getVerticalAlignment:withClass to NUISettings
Added support for background-color to Label
Added support for a number of properties to TextField
Updated .nss files to improve programmatically-created TextFields' borders and alignments
Added programmatically-created controls to one of the demo app's controllers