fix profiler for no resource module on windows
use wx save file directly for wx 2.9 and above. fixes #43
detect and load wx 3.0 if available
send error info to log window. fixes #52
check for cwd while auto creating output directory
pip requirements, unix setup script, updated docs
allow arbitrary node ids in network mode. fix #51
User guide update
Merge pull request #53 from Circuitscape/tanmaykm

Multiple updates