corrected 'isSelected' issue with 2 modules
+QEMIT for connection line moves
Update forward_problem network
bool initialized, changed to t/f
Updates to module parameters
Don't invert normals for heart
Add button for nan default

needs better nan state handling though
Fix problems with NaN reading
Reformat
Typos
AddKnowns performance improvements

Basically speeds it up infinity %
Improve caching
Most of #418
Minor change
Naming
Clean up
Closes #418
Merge pull request #656 from benjaminlarson/benGuiWork

Fixes #592 and fixes #628
Merge branch 'master' into modules_L_good
Reformat