ai acquisition revision

git-svn-id: http://runuo.googlecode.com/svn/devel@1049 a9ff2418-eebe-19e0-0898-3207744d8c45
prevent null ref

git-svn-id: http://runuo.googlecode.com/svn/devel@1050 a9ff2418-eebe-19e0-0898-3207744d8c45
branch sync

git-svn-id: http://runuo.googlecode.com/svn/devel@1051 a9ff2418-eebe-19e0-0898-3207744d8c45
clean up line endings and formatting

git-svn-id: http://runuo.googlecode.com/svn/devel@1055 a9ff2418-eebe-19e0-0898-3207744d8c45
clean up line endings and formatting

git-svn-id: http://runuo.googlecode.com/svn/devel@1056 a9ff2418-eebe-19e0-0898-3207744d8c45