Rework the code of err:f service!

Fix format error from #2195

Improve verbosity of audio errors

GPU/CiTrace: Avoid calling GetTextures() when not necessary.

Kernel/Events: Log an error when trying to create Pulse events and timers

APT/Applets: Renamed the members of the SignalType enum.

Minor formatting change

Related to #1904

Names now make sense and match 3dbrew.

Fix mingw compilation support

Support additional screen layouts.

And other minor style changes

Fix Travis build issue on mac

Minor Menu Fixes

Also minor style changes

Make small screen stay at 1x, and large screen maintain its aspect ratio.

Allows users to choose a single screen layout or a large screen layout.
Adds a configuration option to change the prominent screen.

AC_U: Stub functions, used if EULA agreed

Update Donation Info in Readme

Link main site donation page in readme instead of providing further donation info there.

NWM: stub Initialize with an error

Update CONTRIBUTING.md

Fix build on DragonFly and FreeBSD