More version fixes (temp)
Proof-of-concept external dependency checker for PIP
Grid location of plots in PlotGroups now accessible via 'coords' and 'grid' properties
Replaced Counter in plotgroups for compatibility with Python <2.7
Removed unneeded alert
Cleaned up comments and docstrings
Proof-of-concept external dependency checker for PIP
Merge branch 'pip-packages' of github.com:ioam/topographica into pip-packages
Homeostatic TransferFn now obeys plastic flag
Fixed incorrect docstring
Merge branch 'master' into pip-packages
Merge pull request #521 from ioam/pip-packages

Proof of concept for checking external dependencies from pip.
Merge branch 'new-version' of github.com:ioam/topographica into new-version
Merge branch 'master' into new-version
Merge pull request #522 from ioam/new-version

Old version-handling fixes from wiktor
Removed apparently stray line, and updated comments and docstrings
Removed Future Work from TOC, as it had far too much detail
Patch to work around incorrect color range in orientation map plots since 27 May; temporarily reverts the fix from commit 216e5cdeb
Removed redundant and out of date developer installation instructions
Merge branch 'master' into featuremapper