fixed transparent popup frame

Popup frame colors was inherited from auto-complete-clang, which is not set as required, displayed as transparent. Made it more standart, only auto-complete package needed(as it should be).
Fix calculating offset position in go-autocomplete.el
Merge branch 'patch-1' of git://github.com/kodx/gocode
Merge branch 'patch-1' of git://github.com/ptrv/gocode