Inject content script into more pages of tops.

Videos, videos (48h), movies, TV shows, HD movies, HD TV shows.

Partially solves #4.
Strict mode.
Updated readme.
Added Code Climate badge to the readme.
Fixed style issues (Code Climate).
Code style.
Renamed js.js to app.js.
Refactored entry script.
Refactor (split the entry script).
Correct loading of the content scripts.

fixes #6
Merge branch 'issue/6' into dev
Significant speedup of cell data extraction.
Updated parse-torrent-name to v0.5.1.
Bumped version to v1.5.0.
v1.5.0