remove reverseMeshNodeOrdering tool. replaced by DataExplorer5NodeReordering
introduce $CASE to have flexibility in installation and testing
fixed initialisation indices for mesh element removal dialog
Switching from -Weverything to -Wall on Clang.

Compiling with -Weverything is a mess at the moment ...
switched loading direct conditions back on in gui
Merge pull request #293 from rinkk/LoadDirectConditionsInGUI

Load DIRECT conditions in GUI
Merge pull request #286 from norihiro-w/remove-reverseNodeOrdering

remove reverseMeshNodeOrdering tool
Merge pull request #292 from norihiro-w/optimise-install-travis

[travis] introduce $CASE to have flexibility in installation and testing