Update extsearch engine

Updates for the search engine for MMA Tracker
fix cpasbien extsearch engine
Merge pull request #969 from t0mab/rutorrent-fix-extsearch-engine-cpasbien

fix cpasbien extsearch engine
fix extsearch plugin for cpasbien due to new website design
fix bad encoding due to my misconfigured vim  :(
Merge pull request #970 from t0mab/rutorrent-fix-extsearch-engine-cpasbien-part2

fix extsearch plugin for cpasbien due to new website design