InstallChecker update to avoid  redundent MechJebMenuToolbar
Merge pull request #331 from BloodyRain2k/Improvements

BloodyRain2k various Improvements
stupid_chris: Replace altitude raycast by KSP values
Fix ToolBar integration when the Toolbar dll is not here
Adjust FlowSimulation to use the engines g value
Add Icons for Toolbar
Preparing 2.2 release
Fix dvStats for ModuleEnginesFX

Typo on my side :(
Fixed Toolbar Integration and reworked the Active display
Show Jenkins Dev build
Improve PhysicalSignificance detection in the Editor to get better dV stats
Toolbar onDestroy fix
fixing the bug where early unlocked Ascend AP couldn't utilize the thrust