Fixes #1440 - Logical switches state not reset after model load:
* logical switches reset not called anymore when user selects "Reset Flight", but only after model load
* logical switches reset now includes a reset of switches state (set to false)
gtest only for Taranis (thanks Jenkins)
Merge pull request #1455 from opentx/projectkk2glider/issue_1440

Fixes #1440 - Logical switches state not reset after model load