updating MSP
adding servos tab
initial work on servos
bugfixes and initial update ui hook
save button now actually save the configuration
bugfixes
placeholder code for rate parameter
failed to open port (still requires notification)
visual notify for open/close serial port error
routine update
locked tabs notify
strongly refactored MSP with callback support
utilizing new MSP callback api

this resolves a lot of underlying bugs, however bug that causes failed
initialization after leaving CLI tab and entering Servo tab is still
there.
routine update
moving libraries to appropriate folder
implementing GUI object with active_tab tracking
utilizing tab_switch_cleanup functionality
bugfixes + removing obsolete code
removing about page
removing forgotten line