[x] backport standard keyboard shortcuts in matplotlib
[x] keyboard shortcuts in pyQT
[x] method to auto register shortcuts & add it to the help
[x] reset & reload parameters update the GUI back!
W to write full resolution image to disk
R to reset parameters
I to print parameters dictionary in the command line
E to export parameters dictionary to a yaml/json file
O to import parameters dictionary from a yaml/json file
H show help