Added correct Content-Type header to showPoster calls.
Merge branch 'api-fixes'
Merge remote-tracking branch 'upstream/master'

Conflicts:
	sickbeard/webserve.py
Fix error in webapi causing "No Shows" in NZB360

https://sickrage.tv/forums/forum/help-support/bug-issue-reports/13208-shows-list-is-empty-in-nzb360
Merge pull request #1005 from fernandog/patch-12

Fix error in webapi causing "No Shows" in NZB360
Add screenshots to readme.md
Merge pull request #1008 from markheloking/develop

Add screenshots to readme.md
Fix for issue #971 and issue #1007 - defaults to a status of UNKNOWN if a empty result is returned
Merge remote-tracking branch 'origin/develop' into develop
Fix for issue #1004 and issue #989
Possible fix for issue #954
Improved RSS feedparser/feedcache code for better performance and reliability.

Removed Shove module and depends.

Logging now automatically omits sensitive data such as usernames, passwords, and api keys and replaces them with asterisks in both log file and console.

Fixed versionChecker module to confirm it created a updater class before attempting to execute functions to avoid NoneType errors.
Fix for issue #1009 - added show and release_group attributes to properFinder module.
Updated IMDB libs.

Minor code improvements made to IndexerAPI modules.

New subtitle config feature which allows you to control if subtitles get there language codes appened to there filenames or not.

Added El Rey Network image.

Added code for generating imdbID's for shows missing there imdbID's such as shows from TVRage indexer..
Fix for issue #1010 - EZRSS issues with attribute name change from filename to fileName
Improved RSS feed cache parser code for provider searches and caching of their RSS feeds.
Fixed a bunch of bugs/issues with tvcache module code flow and added in proper error handling for the threaded cache updates plus resolved some provider issues.
Merge pull request #1020 from frdfsnlght/master

Copy headers set in request handlers to main handler
Fixed issue #954 - Default EP status now hardcoded with a default of SKIPPED.
Fixed a issue that was causing show status to be set to NoneType randomly.
Fixed misc comparisons that were causing improper code executions.
Misc PEP8 coding fixes.
Merge remote-tracking branch 'origin/develop' into develop