ensure the splitter handle supports hover
push the styling logic into util functions
add support for dock area pseudo elements
move the win-7 fix to top level and formatting linebreaks
nicer formatting of css
update
update docs
update docs
add support for custom dock item styles
add the handlers to support dock item style sheets
initial commit of stdlib dock area styles
BUG: Coerce new event code to QEvent.Type.

In PySide, QEvent strictly only accepts objects of type QEvent.Type. The
integer returned from QEvent.registerEventType() needs to be coerced.
remove duplicate background def
return None if no value defined for style
nicer formatting
support the 'floating' pseudoclass on the dock area
port the dock area styles to enaml stylesheets
Merge pull request #75 from rkern/fix-pyside-qevent

BUG: Coerce new event code to QEvent.Type.
add a keyword-safe module alias
only string join if needed