moving files to split search plugin into 2

data and patient
new search data and search patient plugins skeletons
create new search icons
search patient ready to go
Merge branch 'search_category'

search data to be implemented later
*requires advanced processing
*requires study in db
update fcMRI plugin to respect plugins policy
update pacs_pull plugin to respect policy

todo fetal moco and slicer icon before closing #19
re-structure feed html for more intuitive user experience
update js to support new classes
tune html
customize css

more user friendly, user knows what is going on but interaction can be improved:
do no use checkboxes anymore, just click on label "Favorite, Running, etc" to show/hide content
more friendly running feeds ui
minor style modification for feeds update
minor style modifications
Update README.md

Typo introduced during pull request merge
minor style fix
Merge branch 'master' of https://github.com/FNNDSC/chrisreloaded
introduce data<->study model and tests in db
introduce study model and tests in db
update list of models to be tested