Menu changes, removed D-TO calc. from project.
Merge pull request #23 from stephandev/master

Finished procedures for AIR SYSTEMS
Merge pull request #24 from stephandev/master

Added procedures to ANTI-ICE, RAIN. Need to be linked up to the base sto...
Fixed VATSIM ID bug
Changed from strong to weak storage for WX map
Linked Anti-ice/Rain checklist menu.
Merge pull request #70 from mshamash/master

Bug fixes + linked anti-ice menu