adding classes
wip
text renders, isAt implemented
Merge branch 'hud_target_arrow' of https://github.com/voxelinc/voxellancer into text_hudget

Conflicts:
	src/ui/hud/hud.cpp
	src/ui/hud/hud.h
isAt works
wip
accessors
Merge and fix isAt
Merge branch 'hud_target_arrow' of https://github.com/voxelinc/voxellancer into text_hudget
Merge branch 'hud_target_arrow' of https://github.com/voxelinc/voxellancer into text_hudget
finish textfield, add target and speed label
Merge branch 'master' of https://github.com/voxelinc/voxellancer into text_hudget
Merge branch 'master' of https://github.com/voxelinc/voxellancer into text_hudget
removed unused methods, switch to enum class, moved enums to separate .h file
refactorings
shortened lines
fix comments
Merge pull request #465 from voxelinc/text_hudget

[Please Review] Text hudget