Configuration secrets

As discussed in http://flexget.com/ticket/2523
Plugin mode
manager.py fixed
Update to reflect inclusion of newpct1 domain

- Detect newpct1 url as re-writable.
- Switched to regular expressions to simplify.
- Minor logic changes to save code.
FIX urlrewrite_torrentleech bug NONType contents

Add size Terabyte to size parser
Get back function validate_config() webui need
Merge pull request #279 from Shorny/master

FIX urlrewrite_torrentleech bug (NONE Type contents)
Merge commit 'e985871f6f97bbc2bb3b3e990c8bad7e753073d0'
Merge commit 'b7878a4a9f6d68bb169c355686b02a6079d128f2'
Merge commit 'b8c2f083132c20587708af291a21ddfb2935693b'
plex plugin additions

new option for non-latin letters in title
new generalized option for stripping all parens
Update plex.py
Update plex.py
Update plex.py

can be like this, but python regex smart enough to divide range '-' char from literal '-' without escape.
Revert da1156e..54d4e5b

This rolls back to commit da1156e4ce52b6047915a24a5743cbcc6d44d54c.
Update plex.py

change 'strip_non_alpha' option to except apostrophes (')
Merge pull request #288 from exscriber/develop

plex plugin additions
Update plugin_transmission.py

Fixed a missing bracket causing the internal limits always to allow torrent removal.
Merge pull request #290 from wakemaster39/fix_clean_transmission

Fixed clean transmission plugin torrent removal logic.
Prevent some episode numbers from being treated as quality