Initial staging for economics view improvements.
Added label indicating current system and selected system, also if there are no items in a trade category.
Colour adjustments
Merge branch 'master' of github.com:Dessimat0r/pioneer into econ-improv
add slot as third arg to Ship:AddEquip
add slot as third arg to Ship:RemoveEquip
auto-commit: translation updates
code by Dessimat0r brought back from the dead (issue #210)
allow mounting of rear laser
allow removal of rear laser, (and other multislot equip)
Merge remote-tracking branch 'impaktor/buy_laser_for_rear_mount'
Fix too short char buffer to fit string in trade comparison analysis.

For two systems with long names, (E.g. Epsilon E. and Kapteyn's Star) the
string would get clipped.
auto-commit: translation updates
auto-commit: translation updates
comment code and rename variable
auto-commit: translation updates
auto-commit: translation updates
NewUI graphics for the cpanel
fix Lua error when an axis binding is cleared in the settings screen
make KeyBindings::AxisBinding fields private