Add 'full table of contents' page to docs
Docs: remove depth limit from full toc
Fix the docs PDF build
[#1305] Fixes popover error by checking for it's existance in the plugins
Merge branch '1305-undefined-popover'
Merge branch 'master' into docs-full-table-of-contents

Conflicts:
	doc/index.rst
Merge branch 'docs-full-table-of-contents'
Merge branch 'master' into solr-docs-reorg

Added appendices/index.rst to the contents.rst main TOC

Conflicts:
	doc/index.rst