fix lyrics.com extraction markers
fix black magic woman lyrics keywords

“sticks” is last word of sentence so can be spelled “sticks.”, “magic”
is less ambiguous.
fix lyrics.net song url
change lyrics.com song
add lyrics.com and lyrics.wikia.com to google srcs
fix flake8
change prints to ease sources copy/paste
Merge pull request #1151 from Kraymer/lyrics-fix-tests

Lyrics: fix integration tests