Fixed bug in json conversion on image upload
Merge pull request #4 from tyarkoni/master

Fixed json conversion bug
Modified edit_study.html to include initial version of dynamic tabs.
Work in progress.
Added style for tab header.
Modified edit_study.html to include functions and still use base.html
Added in index.html main page material.
Right-justified login in navigation bar.
Added in sidebar for 'news' and 'recently added studies'.
Added ability to include page-specific functions in base.html
(Necessary for edit_study.html)
Merge pull request #5 from margulies/layout_category_form

Layout category form
Fixed template typo.
Added nifti pair support, fixed nii.gz overwrite bug
Added nifti file validation.
display all maps for each study.
fixed upload of nifti pair
Added REST API
Added statmap tags
Optional tag value.
Fixed user management.
Preliminary DOI resolution support.