Development of system-to-lua export
Further development of exporting.
Development 3
Make generated starport latitude/longitude exportable.
orbital offset in to radians in custom systems
Enable gravpoints in custom systems -- this enables custom binary stars.
Merge pull request #10 from irigi/binary-stars-in-custom-files

Enable gravpoints in custom systems -- this enables custom binary stars.
"Physical" greenhouse clamp into 0-1 interval.
OrbitOffset into radians. This makes sense with another corrections I
will post in other pull request.
Merge pull request #12 from irigi/binary-stars-in-custom-files

merge
Remove debug code, few minor corrections.
Tidal locking as it was in #1695.
Correction of tidal-lock code to absolute definition of AxisTilt and
inclination.
Comment out the export function call, the export call should be done in
some better way. Here it serves only as an example of the call.
Merge pull request #17 from irigi/original

Original
Merge branch 'system-to-lua' of git://github.com/irigi/pioneer into system-to-lua

Conflicts:
	data/systems/custom/03_elite.lua
	src/galaxy/StarSystem.cpp
Not pretty, but it works :)
Merge pull request #20 from fluffyfreak/system-to-lua

System to lua
Remove pragma optimize off.
Slightly change the setup of the filenames to use std::string.
Should be all done and ready for review now.
Merge branch 'system-to-lua' of git://github.com/irigi/pioneer into system-to-lua