[www] added JTablet 1.2.6 link for OS X Lion, updated site again

open patch for applet/osx 10.7 support

downgraded jpen svn sourceforge link to http:// (due to certificate errors on https)

updated proguard

[www] added notes about JTablet 2 mac compatibility, updated links

updated sketcher links

web page tweaks

more applet tweaks

improved support for out-of-process Java applets

demo improvements/cleanup

cleanup/formatting + support for raw button mask on mouse events

unused legacy class

updated jtablet compatibility wrapper version string

intelliJ updates

build tweaks