Error summary stubbing.

The error box is stubbed along with comments for what needs to be done.
Merge branch 'master' of https://github.com/Pulsar4xDevs/Pulsar4x
Merge pull request #21 from Rod-Serling/master

Fixed premake for OpenTK 1.1
Fixed TG labels refreshing on System Map.
FastOOB bug fix

ships should be added to the correct TG now.
Updated DockPanelSuite to v2.9.0
Missile engines are designable now

Next step is to make the missile design page. Shock damage is also
implemented, and thermal signatures should all be floating point types.
Merge branch 'master' of https://github.com/Pulsar4xDevs/Pulsar4x
Added Travel Line as a scene element.

Updated Contact element to use it.
Merge pull request #1 from Pulsar4xDevs/master

Downstream Pull