Fixed actuator button releasing in apollogemini2.
Fixed battery-level duplication in emulator.
Fixed various bugs in the new emulator.
Miscellaneous new Mixing and improved Mixing methods.
Tested ApolloGemini2 and fixed a bunch of things.
Various cRIO improvements - requires Java 8 to build to fix one set of
bugs and gives a more helpful roboRIO plugin missing error message.