Update Xcode project
Merge remote-tracking branch 'upstream/master' into Xcode
Merge remote-tracking branch 'upstream/master' into Xcode
EQUATORIAL_RADIUS_TO_POLAR_RADIUS_RATIO - data/lang/Polski.txt
Update Czech.txt

* 1 new token; SHA: 9b94c76
* typo; radius is not diameter!
* some linguistic/grammary changes, to better fit in Czech mouth
Merge remote-tracking branch 'radius75/Polski.txt'
update changelog
Merge remote-tracking branch 'upstream/master' into Xcode
TerrainHeightEllipsoid added to Xcode project
Merge pull request #2235 from Philbywhizz/Xcode

OSX: Xcode project update
Update Spanish.txt
add Oleg Ovcharenko (UncleVasya) to the AUTHORS list
Merge remote-tracking branch 'gudadantza/patch-35'
Merge branch 'master' of https://github.com/pioneerspacesim/pioneer into MeshShields