Merge pull request #325 from joshmoore/rebased/develop/ice35-py3-fix

Explicitly disallow Python 3 and Ice 3.5 in stable docs (rebased onto develop)
Merge pull request #319 from sbesson/rebased/develop/travis_latexpdf

Add latexpdf to the Travis build (rebased onto develop)
Merge pull request #320 from sbesson/rebased/develop/10603_omerohome_envvar

Do not expose OMERO_HOME in the doc (see #10603) (rebased onto develop)
Move OMERO documentation to omero/ subfolder
Fix compilation by pointing at the themes/ directory
Remove formats from excluded patterns in OMERO documentation
Move shared configuration settings to common configuration file

- Common configuration moved to common/conf.py
- Move themes to common/
Add central Makefile to build OMERO & Formats documentations at once

Also allows Travis script command to remain unchanged
Move additional FSlite file to the new structure
Merge pull request #324 from sbesson/rebased/develop/doc_reorganization

Doc reorganization (rebased onto develop)
Fix OME Model documentation title and plone menu layout
Fix HTML landing page title
merge develop -D org -I include -E exclude: PR 328 (Fix OME Model documentation title and plone menu layout (rebased onto develop))