Some fixes and updates after release
- TESTFORM.txt missing in target 'install_win32'
- developer doc: updated SVN release instructions
- user doc: added new release tag
- TODO: updated status


git-svn-id: svn://svn.code.sf.net/p/bochs/code/trunk@12355 6c8e4198-a580-4521-a02f-c9ae86df1db9