update CHANGES to 16th Dec, 2013

git-svn-id: svn://svn.code.sf.net/p/bochs/code/trunk@12040 6c8e4198-a580-4521-a02f-c9ae86df1db9
Removed items that we have completely done and updated others


git-svn-id: svn://svn.code.sf.net/p/bochs/code/trunk@12041 6c8e4198-a580-4521-a02f-c9ae86df1db9
mention SIMD .bochsrc option in CHANGES

git-svn-id: svn://svn.code.sf.net/p/bochs/code/trunk@12042 6c8e4198-a580-4521-a02f-c9ae86df1db9