[epg] handle <onback> just like every other control
[pvr] no need to handle ACTION_NAV_BACK and ACTION_PREVIOUS_MENU in GUIWindowPVRCommon - they're handled in GUIMediaWindow already
[pvr] only handle ACTION_NAV_BACK in GUIWindowPVRRecordings if there's a parent directory to go to, else drop down to the base class as the action will be handled by the window system
[coreSubs] option to search by manually entering search string
CharsetDetection: add ConvertHtmlToUtf8() and helper functions
ConvertHtmlToUtf8() detects HTML charset and convert HTML to UTF-8
CharsetConverter: add systemToUtf8
CharsetDetection: add "ConvertPlainTextToUtf8()"
FileUtils: add file type detection based on Mime-type
ScraperUrl: detect and use charset even if web server don't report it
[AE] cleanup includes and change include paths to relative from root
[AE] remove unnecessary include to cores/AudioEngine now that paths are relative
[Fix] CStreamDetailSubtitle::IsWorseThan claimed to consider the user's preferred language but actually didn't.
[rbp/omxplayer] Handle mono playback of HSBS/HTAB videos
Merge pull request #3962 from jmarshallnz/ae_includes

Cleanup the AE includes to use paths from root, rather than relative
[rbp/gui] Add switch between higher and lower quality textures

To save memory we default to 16bpp textures,
but provide a GUI option to increase that to 32bpp.
[rbp/gui] Add switch to remove GUI 720p limit
Merge pull request #3926 from popcornmix/gui_unlimit

[rbp] Remove 720p GUI limit by default
[Confluence] remove missing image code
[ios] - fix tvout orientation (don't make assumptions about deprecated APIs which result in 90 degree rotated tvout since ios7 - but just reset the angle to 0 when going to the external screen)
[rbp] Avoid resizing 1080p fanart

Currently all re-encoded jpgs are resized to multiples of 16 widths and heights.
This causes additional blurring, especially for 1080p (which becomes 1088), as well as subtle aspect ratio errors.

Remove the alignment clamping, and fix up the heights/strides where needed