Merge pull request #263 from wolfmanjm/upstreamedge

fix long filename play for panel
Add an rm file command to shell
refactor simple shell to make it easier to add new commands
Merge pull request #265 from wolfmanjm/feature/delete-file

Add an rm file command to shell
Add M30 -- Delete SD file, using rm_command
Merge pull request #266 from TopherMan/M30

Add M30 -- Delete SD file
Make wulfnors st7565 configurable from config file, so it also works with the mini viki
Added contrast setting for st7565
add reverse display for mini viki st7565
Merge pull request #268 from wolfmanjm/feature/add-mviki-panel

Feature/add mviki panel
Fix panel issuing commands inidle loop ratherthan main loop
Add z set Z0 command to panel menu
gets leds to flash when in idle and main lopps for diagnostics
Merge pull request #269 from wolfmanjm/fix/panel-commands

Fix panel issuing commands inidle loop ratherthan main loop
reformat and cleanup panel screen code
WARNING lots of whitespace changes!

Conflicts:

	src/modules/utils/panel/PanelScreen.h
	src/modules/utils/panel/screens/WatchScreen.cpp
	src/modules/utils/simpleshell/SimpleShell.cpp