+ SongMeaningsLyricsGainer
Activated SongMeaningsLyricsGainer (#19)
Merge branch 'songmeanings'
Extracted contents of webserver/lyrics_gainers.py into separate module
Added VkontakteLyricsGainer (#21)
Added yandex metrika code
Enabled webvisor in metrika code
Couple of minor fixes for vk and songmeanings
Merge branch 'master' into rewrite

Conflicts:
	templates/base.jinja2