Merge branch 'release/1.3.0-b5' into develop
added Images as a compendium type option
add a helpful edit form for flatblocks editing
add a demos page with an editable demo block and a general contact-us link
prettyprint json to make life easier for anyone who wants to correct a typo
add a prepopulated table of contents
add table of contents block
add explanations for requirements that are pinned to repos rather than pip versions since this will help future maintainers
add deployment repo as a submodule, update vagrant file
add multiselects to search for type and research

* Compendium type and primary research field can be multiselected during a
  search. The search results will be filtered through an OR across the
  selected values.

* We are now searching over journal title and DOIs.
Merge pull request #195 from researchcompendia/keyword_search

add multiselects to search for type and research
show number of search results even without pagination
SQ does not work like I thought it did
add field for images along with some comments on model design
make changes to customize bling
handle 404 situations for table of contents and browse views
add change information and bump version
Merge branch 'release/1.3.0'