file descriptions were not searchable #3745
text_en and copyField for variable name and label #3945
Update "Add Data" Button permissions for user page

display Add data on user page if user has add create dataverse or
create dataset permission on root dataverse.
Update appendix.rst
Simplify the logic for Add Data button

refer to search include dv for command permission
Modified confirmDialog message by removing "Unfortunately" from both Dataset and Dataverse page.
Modified confirmDialog message by removing "Unfortunately" from both Dataset and Dataverse page.
Merge origin/master
A fix for CSV files not being recognized as tabular data when uploaded through some browsers.
added variable name and label to advanced search #3945
added filetype_en to catchall #3745
temporary: allow users to create in dataverse with aliases that end in "_open"
Change to the thumbnail converter - will enforce the size of the thumbnail on the *longest* size,
not always on width.
highlight on the file type #3745
Applied fixed width and height to popovers to fix layout issue in Chrome for the data file image previews. Adjusted alignment of the publish status labels in the header, dataset pg, results table.
Merge origin/master
typo: s/variable_lable_en/variable_label_en/
Add javascript rebinding for file upload and then cancel.  Bug #3942
don't limit deletion to 10 file solr docs #3795
Changed the async page refresh to use "displayVersion", instead of the "latestversion".