Added overrides of SubclassWindow() to CSplitterWindowImpl, CPaneContainerImpl, and CTabViewImpl; refactored initialization code to Init()

git-svn-id: http://svn.code.sf.net/p/wtl/code/trunk/wtl@577 4beafcb9-bf40-0410-b8f5-b741cf90ec0e
CBitmapButtonImpl: Added checked state and GetCheck()/SetCheck() , and BMPBTN_AUTOCHECK extended style for autocheck mode

git-svn-id: http://svn.code.sf.net/p/wtl/code/trunk/wtl@578 4beafcb9-bf40-0410-b8f5-b741cf90ec0e
Updated ReadMe.html with new build, date, and changes

git-svn-id: http://svn.code.sf.net/p/wtl/code/trunk/wtl@579 4beafcb9-bf40-0410-b8f5-b741cf90ec0e
Renamed readme.html to ReadMe.html

git-svn-id: http://svn.code.sf.net/p/wtl/code/trunk/wtl@580 4beafcb9-bf40-0410-b8f5-b741cf90ec0e
Renamed 'include' folder to 'Include'

git-svn-id: http://svn.code.sf.net/p/wtl/code/trunk/wtl@581 4beafcb9-bf40-0410-b8f5-b741cf90ec0e