Merge pull request #3956 from ScottNZ/bleed

Update CHANGELOG
Update Makefile

Fixed  make: *** No rule to make target `shortcuts', needed by `install-shortcuts'.
Update buildpackage.sh

Fixed make: *** [install-shortcuts] Error 1
Update OpenRA.nsi

added languages and sorted alphabetically
Update OpenRA.nsi

fixed Error: unterminated string parsing line at OpenRA.nsi:144
ship license and changelog on all platforms

keep INSTALL & HACKING in the source code only
remove the tileset builder from core

not required anymore for d2k
it is also not shipped because it won't work standalone
fixed md5sum file not found global mix database.dat
simplify RPM buildpackage script for the build server

hard-code everything outside /usr/share/openra
silenced curl
cleaned packaging comments
Merge pull request #3959 from Mailaender/makefile

Removed TilesetBuilder from core
Merge pull request #3960 from Mailaender/rpm-revert

Simplified the RPM build scripts again
Merge pull request #3958 from Mailaender/docs

Ship COPYING and CHANGELOG on all platforms
Delete HACKING

unmaintained,
moved to https://github.com/OpenRA/OpenRA/wiki/Hacking
Update OpenRA.nsi

fixed "no files found"
a less noisy Travis CI bot IRC notification
Merge pull request #3971 from Mailaender/silent-travis

Made Travis CI bot IRC notifications less noisy
Update README.md
Update .travis.yml

the channel does not allow notices from outside