recording no state region

this set of branches works to remove the state region from recording.

-IntroLab -PACMAN -FEC -SPY -GFE -External

[x] handle python code
[x] modded the graph to remove resources required issues (nice little refactor)
[x] handle c code changes
[x] test basic reads for v (use synfire)
[x] test basic read for gsyn (use synfire)
[x] test basic read for spikes (use synfire)
[x] test multiple reads and writes (use synfire)
[x] test no reads and writes (use synfire)
[x] test ssa recording (use synfire)
[x] test poission recording (used pynn brunnel)
[x] test poission no recording (use pynn brunnel)
[x] test auto pause and resume battery of tests
[x] test with live extraction (is being ignored as auto_pause-and_resume works)
[x] test reload (use synfire) (has been disabled till a plan of action on it is decided)

SpiNNakerManchester / IntroLab