-Eliminate a few compiler warnings with MSVS2010.

git-svn-id: http://odamex.net/svn/root/trunk@4300 b0bcef46-2027-0410-bd56-ab726e9a1d04
- Fix message box warning "unknown font family: default" with wx2.9/3.0

git-svn-id: http://odamex.net/svn/root/trunk@4310 b0bcef46-2027-0410-bd56-ab726e9a1d04
- Fix build part deux

git-svn-id: http://odamex.net/svn/root/trunk@4312 b0bcef46-2027-0410-bd56-ab726e9a1d04
-Rename HashTable class to OHashTable. Change implementation from separate chaining to open addressing with linear probing.

git-svn-id: http://odamex.net/svn/root/trunk@4316 b0bcef46-2027-0410-bd56-ab726e9a1d04
-Fix a compilation issue with OHashTable iterators.

git-svn-id: http://odamex.net/svn/root/trunk@4319 b0bcef46-2027-0410-bd56-ab726e9a1d04
Fix include issues


git-svn-id: http://odamex.net/svn/root/trunk@4322 b0bcef46-2027-0410-bd56-ab726e9a1d04
-Refactor WAD and DEH file loading to commonize WAD loading at startup and when changing to a different set of WAD files.

git-svn-id: http://odamex.net/svn/root/trunk@4323 b0bcef46-2027-0410-bd56-ab726e9a1d04
-Merge from trunk into rend32.

git-svn-id: http://odamex.net/svn/root/branches/rend32@4324 b0bcef46-2027-0410-bd56-ab726e9a1d04