Initial Search Service import.
DRY up code, cache streaming URLs and speed up Library and Watchlist.

This patch fixes the RTMP issues seen in Plex/HT by caching the
JSON streams returned from Amazon.
Added Search Service.
Remove default icons.
Find higher quaity images.
Another round of DRYing up code.
Merge pull request #14 from jk0/master

Fix RTMP and add Search Service.