Minor changes to tech potentials and added compatibility for individualistic machines.

Bugfixes

reduced limits, increased upkeep, fixed the entertainer bug
**compatible with saves but the changed limits will only aply to new techs, the techs you have alrady researched will not change the provided limt. The current limits of your empire will not change**

added functionality of the Master Builders AP
**Only works properly when the AP is new selected**

Patched Exploit that allowed structures to be built over the build limit if started simultaniasly.

Fix to Late Arrivals origin