[Refactor] Order EnumOptions with QHash -> QMap
[Refactor] Tooltip formatting, font size, non-breaking whitespace
[Refactor] Disable compile/analysis warnings for qhull
[Refactor] Static code analysis fixes

Addressed some issues brought up by static code analysis.  Some were
likely bogus / false positives, but extra null checks never hurt
anybody.
[C++11] Make some QHashes const with initializer lists