The hack to get correct weight scaling with the Izhikevich model in the NEST backend doesn't work with Assemblies.
Changed the parameterization of STDP models. The `A_plus` and `A_minus` parameters have been moved from the weight-dependence components to the timing-dependence components, since effectively they describe the shape of the STDP curve independently of how the weight change depends on the current weight.
Preliminary work on adding the STDP mechanism from Vogels et al. (2011) Science 334:1569-73 http://dx.doi.org/10.1126/science.1211095
Fixed a missing namespace and a stupid assumption that everyone is using 64-bit machines!
Fixes to the STDP mechanism from Vogels et al. (2011) Science 334:1569-73 http://dx.doi.org/10.1126/science.1211095 Still not sure it's quite right. Need to re-read the supplementary material.
`Population.can_record()` now calls `CellType.can_record()`, making customization easier.
Turned `pyNN.utility` into a sub-package, and added a `pyNN.utility.plotting` package for quickly producing simple plots.
Can now modify parameters of Vogels et al. STDP mechanism via `Projection.set()
Merge pull request #251 from tclose/master

Combined changes for Gap Junctions and Index-based connectors
Fixed syntax error.
Merge pull request #252 from tclose/added_missing_slashes

Added missing forward slashes from connector import statement
A couple of minor fixes.
Merge branch 'master' of https://github.com/NeuralEnsemble/PyNN
Merge pull request #254 from tclose/minor_bug_fixes

Minor bug fixes
Merge pull request #258 from tclose/easier_debugging_of_neuron_build_cells

Easier debugging of neuron build cells
Merge remote-tracking branch 'upstream/master'