Merge pull request #543 from rinkk/ColorTableFix

Removes external code from Data Explorer class
Merge pull request #541 from endJunction/ReduceCompilerWarnings

Reduce number of compiler warnings
Merge pull request #539 from norihiro-w/merge-gradual-meshing

Add gradual refinement feature to the structured mesh generator
[BL] Start CPUTime and RunTime timers at creation.
[PL] GW: Time solve().
Timing and memory scripts.
Logog level ALL.
Create valgrind supressions file.

Add first for lis args.
Preallocate LIS matrix buffer.
Update valgrind suppressions.
WIP