Update russian translation for engine.ru.po
Merge pull request #515 from SBasalaev/master

Update russian translation for engine.ru.po
Update engine.it.po

translate v0.18
Update data.it.po

translate string of v0.18
Update data.it.po

translate string of v0.18
Merge branch 'master' of https://github.com/clintbellanger/flare-engine
Merge pull request #544 from dallatower/patch-1

Update engine.it.po
Czech engine translation by Zaraka
Merge branch 'master' of https://github.com/clintbellanger/flare-engine
Merge pull request #280 from dallatower/patch-4

Update data.it.po
Merge pull request #281 from dallatower/patch-5

Update data.it.po
Czech by Nikita Vaňků (Zaraka)
Fixed encoding of README to utf8
Do not export everything when doing git archive
Merge pull request #283 from Ablu/fixedreadmeencoding

Fixed encoding of README to utf8
Merge pull request #285 from Ablu/ignore_archive

Do not export everything when doing git archive
Add release documents
Remove old shortcuts
Do not unset/overwrite system environment CFLAGS/LDFLAGS

From hasufell on IRC
Merge pull request #547 from dorkster/bugfixes

Do not unset/overwrite system environment CFLAGS/LDFLAGS
Merge branch 'master' of https://github.com/clintbellanger/flare-engine