remove newline from appver.txt
bump plugin to v1.3
switch from checking appver.txt to app_ver.txt. enhanced file for stable/testing branch, added field separators,broke out version and filename to separate fields
chenged plugin to check new app_ver.txt
added chkcfg to plugin - to account for new "branch" param, needed for above switch to app_ver.txt
gui tweak - add colour to upgrade available messages
added (hidden for now) gui option to swtich between testing and stable branches.
Bump build from 10.0 stable to 10.1 stable.