fix updates summary not correctly reported by context
fix the refresh button using pamm api cache
check PAMM version on startup only

we may add a timer later, but it was just too much on every actions ...
enable the "check & uninstall LEGACY PAMM" feature
flag as 0.9.1
fix exception on missing registry key ...

it was returning 'undefined' on another computer, strange
change install path on osx
fix loglevel init
update credits