T2 Harmony get back old t1 prepatch, faster alien opinion restore. 
T1 Purity restored, aliens cant attack explorer. T2 explorer deals double damage on attack. 
T1 Supremacy get 2 extra expeditions instead of 1. T2 Explorers deals double damage in defense.


Manually install by putting the unpacked folder in:

C:\Users\"User"\Documents\my games\Sid Meier's Civilization Beyond Earth\MODS

or along similar lines (I use win 8.1).

Mod can be found on steam as well.