company-yasnippet: autoload, to make it easy to use separately
company-keywords-alist: add missing question mark
Support the keyword :with

Closes #79
company-semantic--current-tags: make buffer-local
company-semantic: don't try to fetch doc for tag without buffer

Fixes #74
Remove leftover debug statement
Release 0.7.1
Fix #80
company-clang: handle multibyte chars between bol and point

Thanks @Sarcasm!
Release 0.7.2

Officially drop support for Emacs 22, it was broken in the last point release
anyway.