WB 2.08.x

1. little Typofixes in packet AccessFile

! update Access Files Classes with easier handling
for modules who create their own accessfiles

/framework/AccessFile little Typofixes
/framework/AccessFileHelper added new method getDelTreeLog() and add const LOG_PRESERVE and LOG_CLEAR
set WbAdaptor::AppName to 'WebsiteBaker'

updated for some corrections in class AccessFile

added classes AccessFile and AccessFileHelper to /framework/