Merge branch '511141-patch-10' into release

Misc small fixes and improvements

* Disable 480p scanlines in auto mode
* Remove inoperable 3x/4x processing modes from 1080i list
* Add 640x512 mode to 480p group and limit 480p sampler option to 525-line modes
* Fix occasional pixel repetion issue after HDMI<->DVI TX switch
* Add "Allow upsample2x" option
* Add comments to some unclear sections

Fix HDTV mode parameters

Add 288p line5x modes and hotkey for quick mode select

Keep track of last used profile and (optionally) input

Add alternative build targets.

Release 0.73

* Fixed adv. timing tweaker using previous values when updating parameters
* Added "Hsync tolerance" option to fix detection of certain Neo-Geo models

Minor fixes

* 480p/576p line2x

* 480i/576i passthrough
* alternating scanlines for interlaced material

Fix random input detection issue.