Syncing NML2beta.xsd to latest in https://github.com/NeuroML/NeuroML2
Mainly changes in handling of GateHHRates...
regenerating nml.py, some tests with padraig
NML schema updated to validate xml with pynn cells & synapses
Example of writing this type of file in write_pynn.py
Rechecked all examples, removed some empty/redundant ones
Added some console output to say what files have been read/created
Added some validation of generated files
updated version number
Adding large nml file for testing...
Merge branch 'master' of github.com:NeuralEnsemble/libNeuroML
making a small change to README - testing eclipse git functionality
Updated to latest NML2 schema, with pulseGenerator, spikeArray, etc. included, and nmdaSynapse and stpMechanism updated to be used by common syn: BlockingPlasticSynapse
Example generating XML file with latest synapses types
Updated to match the schema in the development branch of NeuroML2: https://github.com/NeuroML/NeuroML2/blob/development/Schemas/NeuroML2/NeuroML_v2beta.xsd
Regenerated API & added a simple file to test all examples.
 adding more example
resolved merge
now passing integration test, but needs enhancement