Added buildInstructions for Ubuntu 14.04
Included graphviz package to buildInstructions (for doxygen build)
Avoid creating a plane with zero normal
Merge remote-tracking branch 'origin/BUGFIX/GGI-quickReject'
Update zones before boundaries on syncUpdate
Merge remote-tracking branch 'origin/BUGFIX/topoChangeGGI'
Merge remote-tracking branch 'origin/BUGFIX/updatedBuildInstructions'