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
If the example contains a docroot and/or approot, use it instead of the source directory

No bashism in the shell script, therefore do not require bash but a bourne shell
Merge pull request #32 from pgquiles/fix-docroot

Fix docroot
a substantial batch of bug fixes and small features improvements (see redmine)
Merge commit 'github/master'
avoid double CSS loading
fix some layout issues
A batch of fixes:

 - #1993 WebSockets 'Compressed bit must be 0 if no negotiated deflate-frame extension' message
 - #1988 WPushButton user-provided style class is lost when a setLink() occurs after initial render
 - #1987 WPushButton user-provided style class is lost when a setLink() occurs after initial render
 - #1984 QueryModel addColumn
 - #1981 WPaintedWidget setInline(true) does not display as linline in IE9 and IE10
 - #1977 Inconsistent wt_config.xml.in comment/setting UA-Compatible
 - #1964 WBorderLayout Documentation - Enum Namespace is Wrong
fix name collision with gmtime_r on windows

mingw define its own gmtime_r function, tested with mingw 4.7.2
misc fixes in Wt::Dbo, XHTML tooltips, websockets+recursive eventloops regression
WPaintedWidget optimizations
optimizations in layouts
do not delay autojavascript
Merge pull request #34 from mhaoa/master

fix name collision with gmtime_r on windows
fix from github/bjonnh: WTextEdit.js iframe.contentDocument.document does not exist
fix from github/ScienziatoBestia: doc update in JSignal
fix WPopupMenu not closing on right mouse background click
fix WPopupMenu click regression