more user friendly keybindings

cmd-o to find-file (think about cmd-O to magit-find-file)
cmd-f to occur (helm-occur)
cmd-g to isearch-forward
cmd-G to isearch-backward

think about change
C-PgUp scroll-left
and
C-PgDn scroll-right
to (or in addition)
something like
C-Home scroll-left
C-End scroll-right
M-Home scroll-left
M-End scroll-right

also about cmd-left to M-m/C-a dwim.