Use extras_require to facilitate install of development-only libraries.  Document how to install libraries require for development.  Remove reference to runapp.py in launcher.sh
Fix invalid XHTML errors, primarily for i18n.
Translation files for en, es, de, it, and ru
Run setup.py extract_messages to have Travis catch any XHTML errors
Pull in i18n libraries for Travis and fix typo
Minor fix for Travis
Try using after_script for Travis
Merge pull request #460 from eucalyptus/i18n

Various invalid XHTML fixes for i18n