temporary patch for #3123
Added Advanced Radar Mapper ship equip.

It is a long range radar mapper that has the ability to give information on
ships selected in orbital view. It uses same slot as the normal radar mapper.
Merge branch 'advanced_radar_mapper'
Fix news event greeting showing up as message from own ship
auto-commit: translation updates
store ship base-price as a double in C++ (to match Lua)

fixes #3129
Merge remote-tracking branch 'jpab/issue-3129'
auto-commit: translation updates
auto-commit: translation updates
Merge remote-tracking branch 'jpab/issue-3123-tempfix'
auto-commit: translation updates
auto-commit: translation updates
auto-commit: translation updates
Enable Travis-CI integration for Pioneer as a test.

It doesn't cost much, and might help with PRs breaking build or
triggering new warnings.
Add missing dependency management
Remove clang and fix dependency handling for Travis
auto-commit: translation updates
auto-commit: translation updates
Don't require SHIFT for nav target selection in orbit view

Makes clicking/un-clicking ships, planets, orbital stations behave the same.
No holding down SHIFT required for bodies anymore.
Rename SystemView::OnClickShipLabel -> SystemView::OnClickShip

Be consistent with SystemView::OnClickBody().