Fix adding icons to custom icon directories.
Get rid of long rebuilds because of minor cmake config changes
Merge branch 'patch-1' of https://github.com/max96at/MultiMC5 into develop
Build fixage for the changed build config
Workaround for dirty build folders.

My disgust just turned into barely contained rage :<
Coverity build and upload target. Also GitFunctions.
.cmake files to reduce "code" duplicate
Merge remote-tracking branch 'origin/feature_dotcmake' into develop
Context menu tweaks

* Add create/copy instance actions to the context menu.
* Context menu for the instance view background.
* Top of the context menu is now a header, fixing the misclick problems.
Add Patreon button. Needs an icon (used I for now).
Give the Patreon button a logo
Merge pull request #211 from Drayshak/develop

Add Patreon button with logo
Remove specific OpenSSL version from BUILD.md
Let travis build a clang version
Merge pull request #212 from MultiMC/feature_travis_clang

Get Travis to build GCC and Clang versions on Linux as we consider moving to Clang on Linux in general
Detect and report missing local libraries.
Merge remote-tracking branch 'origin/develop' into feature_optifine

Conflicts:
	cmake/UseCXX11.cmake
	gui/MainWindow.cpp