Merge pull request #81 from sharrington93/master

Transferred current air density equations to automation simulation.
Merge pull request #83 from sharrington93/display_SA_issues

Display sa issues
Fixed issue where simulation couldn't be ran through the menu

Closes #42
Merge branch 'master' into display_SA_issues
Added warning array to simulation for sensitivity analysis
* Modified warnings in simulation to support multiple files

* Set up warning object nesting structure in automation
Added mouse over "hints" for sensitivity analysis to display warnings found during simulation run for each parameter