some extra profile warnings when appropriate.
svn path=/main/trunk/; revision=12066
for root, root_trees in trees.iteritems():
if root_trees["root_config"].settings.profiles:
continue
+ # generate some profile related warning messages
+ validate_ebuild_environment(trees)
msg = "If you have just changed your profile configuration, you " + \
"should revert back to the previous configuration. Due to " + \
"your current profile being invalid, allowed actions are " + \