Import Spanish translation.
add target fieldtype and target array with counter to gentity to prepare for separation
this is still a rather inactive change with room for improvement, but brings the whole issue a bit forward
separate aim-at-target and call-target in /entityShow
Add Color-Grading support to the GL 3renderer.

The look-up tables have to be loaded into 2D-textures first and then copied to
3D textures as we have no 3D texture loaders and also to avoid an in-game
disk access when the cgame switches the color grading in midgame.

neutral.webp contains a 1:1 color mapping table, it can be modified in Gimp
to derive custom color mappings.

Cgame support is very limited so far, only a /testcgrade <image> command to
load a custom color map.
completly separate targets that are aimed at and call-endpoints; copy targets over if there where no call-endpoints specified as a means of backward compatiblity
Color Grading was enabling a white grain map, but it should have been black.
Merge remote-tracking branch 'upstream/master' into entities
add eventType enum; parse and store it based on event in the callDefinition
add several events to fieldtable