9ML-toolkit: updated to trunk from call-cc repository
added empty file to technical paper location
added some example for random gaussian connection rule
Merge remote-tracking branch 'upstream/master'
Merge pull request #3 from apdavison/master

Moved the "spec" directory to the top-level (out of lib9ml directory)
cleaned up specification directory
added post-synaptic response and plasticity objects to projection element
Update all_to_all.xml
touched up projection tag
minor edits to specification
added sbml template as style for NineML document
added new specification in SBML-like format
converted existing specification into SBML format
working out table format for element structure
Cleaned up element references
added all abstraction layer components with structure tables
fixed up problem with floating tables
finished creating structure tables for abstraction layer specification. Problem with floating tables means that the OnEvent table is commented out for now until there is more text to fill it out
started adding attribute descriptions to Abstraction Layer elements
adding more attributes to abstraction layer elements