6829267: Regression test java/awt/Toolkit/ToolkitPropertyTest/ToolkitPropertyTest_Enable.java fails in RHEL5
Reviewed-by: art, anthony

Reviewed-by: darcy, weijun

6944048: VS2010 build failure in make/com/sun/java/pack: missing unpack200.exe.manifest
6944015: VS2010 build failure in awt_TextArea.cpp: ambiguous call to abs()
6936319: JDK build fails in awt_DnDDS.cpp with Visual Studio 2008/Platform SDK 7
6944516: Windows L&F is broken in SwingSet2, when JDK is built with the recent Windows SDK
Summary: Changes to enable building JDK7 with Microsoft Visual Studio 2010
Reviewed-by: ohair, art, ccheung, dcubed

6733976: VS2008 errors compiling AWT files - explicit casts need to be added
6728735: VS2008 errors compiling UnicowsLoader.h and fatal error in awtmsg.h
Summary: Unicows-related and Win95/98/Me-related code is removed
Reviewed-by: uta, tdv