Fixed typo in Supposition filename
Hiding skip-nav link with tiny transparent GIF
skip-nav text cleanup
Converting start/end years of Membership form to SELECT widgets (needs testing)
Added SELECT widget to choose currency for org revenues and feed, in Memebership form (needs testing)
Tweaks to Journal Integration menu (main nav)
Merge pull request #116 from datadryad/jima-form-cleanup

Fixed typo in Supposition filename