adding recording_interval parameter in the example
add the spontaneous keyword in examples. Comment the OverviewPlot lines as they are not working so far. The example now runs and produces a raster plot
Merge branch 'master' into example_corrected
VogelsAbbot2005 example: OK, by introducing sontaneous keword in OverviewPlot
Merge pull request #15 from JoelChavas/example_corrected

Example corrected