Refactor instance views to use a common base view class.
Merge branch 'develop' into GUI-326
Quick fix for launch instance and launch config wizards to handle missing user data file upload.  Initial progress on “Launch more like this instance” form.  GUI-326
Safer handling of missing block device mapping info for Launch configuration wizard.
More progress on “Launch more like this instance”.  GUI-326
Implement handler for “Launch more like this instance”.  GUI-326
Merge pull request #99 from eucalyptus/GUI-326

GUI-326: Launch more like this instance