Refactor TestPolygon/TestPolygon unit tests to use helper class
Add failing tests for createPolygon/createPolyline with column input
Fix createPolygon/createPolyline for column vector input
removing hard-coded link
Pass allow-external to pip install to allow PIL installation

With recent changes to pip 1.5, insecure external URLs need to extra flag to
be installed. This commit fixes the python_deps.sh script by setting this
flag. Alternatively, the dependency on PIL could be replaced by a dependency
on Pillow which is a maintained fork of PIL.
Revert "Pass allow-external to pip install to allow PIL installation"

This reverts commit e8d423f97acf6aa8e17489c7eb2b068909328770.
Do not install Python dependencies in a separate virtualenvironment

Since using Homebrew Python, all dependencies should be installed under
/usr/local.
Update copyright
Add space before URL
removing locked icons
Replace Experimenter by User

see top annoying bug.
Update copyright and remove whitespace.
Fix selection issue.

node was reset to null after double-click.
Merge pull request #1948 from aleksandra-tarkowska/rebased/dev_5_0/broken_link

removing hard-coded link (rebased onto dev_5_0)
Merge pull request #1952 from sbesson/rebased/dev_5_0/homebrew_pip_pil

Install Python dependencies using Homebrew Python (rebased onto dev_5_0)
Merge pull request #1969 from joshmoore/rebased/dev_5_0/_event-removal-4.4

event removal 4.4 (rebased onto dev_5_0)
Merge pull request #1964 from jburel/browse-button_dev_5_0

Selection issue dev 5_0
Merge pull request #1963 from jburel/experimenter-name_dev_5_0

Experimenter name dev 5 0
Merge pull request #1953 from jburel/copyrigth-update-dev_5_0

Copyright update dev 5 0
Merge pull request #1968 from joshmoore/rebased/dev_5_0/vm-patch-4.4

Simplify VM scripts for release (rebased onto dev_5_0)