fix WPopupMenu cancel at button confusing its visibility (#1834)
fix WMenuItem without JavaSript regression (#1840)
upgraded to JPlayer 2.2.0 (see #1839)
various fixes: FF layout issues, WTableView loading lines, WPopupWidget parenting problem, WMenu signal emitting and item deletion, HTML5 canvas dash line support and documentation improvements
batch of fixes, and WTextRenderer feature improvements: explicit page breaks and support for absolute/relative positioning
Render: added support for CSS stylesheets, and Mail: added support for attachments
fix firefox layout manager (width computation) regression, doc improvements and test suite cleanup
Removed redundant forward class declaration
Made it so the +- 0.5 will work in the CornerImage example.
Ext pointer error fix

Fixed pointer error where we were adding a char to a pchar literal,
returning a pointer to bad memory.

Changed the inner loop to a switch stamement allowing for better
compiler optimization.