reduced sight range for avenger

reduced sight range for avenger
Balance Changes

Increased health on many Orbital Units
Increased anchor damage
Made SXX cause 0 damage to commanders
Slight increase of excalibur damage
Slight decrease in cost of orbital engineer
Sentinel Damage increased
orbital laser
bug fixing

Fixed bugs with, missile platform not firing because of a comma bug.
SXX sometimes does not fire if the range is less than 15.
Sometimes buildings don't get direct damage from the SXX only splash
damage.
Merge pull request #5 from Emraldis/mgmetal13_test_branch

Mgmetal13 merged branch