fix help message of "create flavor"

The help text in "Flavor Info" tab of "Create Flavor" workflow is wrong.
It says "From here you can create a new flavor to organize projects.",
but flavor organizes not "project" but "instance resources".

Change-Id: I77ee55b2c35a8d743d318e699fb45f4dc8ed4251
Closes-Bug: #1252076
Merge "fix help message of "create flavor""