fix typo in description of WScrollBar
fix WGroupBox / WTabWidget layout behaviour
layout fixes, merge Render refactorings
merged in the Payment development branch
added missing minified file
documentation improvements
fix WPaintedWidget + layout glitch
Merge branch 'master' of git://github.com/kdeforche/wt.git into Saif
small post-vacation fixes: named WColors, payment module installation
fix layout in panel in layout behaviour
fix WPopupMenu JavaScript problem when autoHideDelay == 0
Render improvements, layout fixes
several bug fixes w.r.t layout managers, WDatePicker focusses line edit on close
various rendering improvements: %widths handling, multi-page documents
renderer: improved multi-page table rendering
various bug fixes: layout management, textarea newlines, and a progressive bootstrap regression
fix WStackedWidget regression
Enabled compilation in VS2008

Two fixes to get it back compiling:
* src\Wt/WWidget(933) : error C2487: 'WT_GETPS_JS' : member of dll
interface class may not be declared with dll interface
To fix it, I just put the two static variables to different lines:
  static const char *WT_RESIZE_JS;
  static const char *WT_GETPS_JS;

* src\web\ImageUtils.C(70) : error C2039: 'data' : is not a member of
* 'std::vector<_Ty>'
It appears the previous code was using the C++11 method data(). To preserve
backwards compatibility, changed it to &header[0]
More VS2008 compilation fixes

* missing decl spec (WT_API) prefix for classes and external functions,
causing the Paypal example not to link.
various bug fixes