dealing with pubs missing series information better in custom_fiters
Merge remote-tracking branch 'pubs-master/master'

Conflicts:
	pubs_ui/custom_filters.py
removed merge cruft
additional tests for display_pub_info filter
reinforcing of display_pub_info custom filter
more code clean-up
removed print function
added comment to email validation
added meta tags
removed references to jquery 1.10.1
formating changes
minor js change
Merge pull request #83 from ayan-usgs/master

fixes to display_publication_info function and some code clean-up
Merge remote-tracking branch 'pubs-master/master'
changed some double quotes to single quotes in publication.html for
cleaner syntax
removed main.js as there is nothing in the file
deleted main.js after moving links to it
minor ordering change
formatting changes
minor js rearrangement