Merge pull request #14 from wlgys8/master

update from wlgys8
Merge pull request #15 from wlgys8/master

update from wlgys8
Merge pull request #16 from wlgys8/master

update from wlgys8
Merge pull request #17 from wlgys8/master

update from wlgys8
move libopenal to win32

move libopenal to win32
Merge pull request #5 from waiter/master

move libopenal to win32