Add page about continuous integration to the Sphinx documentation
Use substitutions to facilitate job descriptions
Add scc version to the list of tools
Fix link to Trunk view of Jenkins
Fix space issue in Trunk view and add https to Github links
Create global substitution for current version development branch
Remove hard-coded version numbers in Jenkins job

As Sphinx does not allow to combine inline markup, remove the extlinks and
term links to use the global |version| substitution.
Remove URL of gretzky/howe servers
Replace 4.4 by stable for Jenkins job and restore Jenkins links
Improve scc merge program description to account for latest changes

Replace scc commands glossary by sections. Use the program and option markup
to allow references to be created in the doc.
Replace & by and
Update scc merge description of new include/exclude filters
Fixing code example mistake spotted by Kenny
General tidying and formatting
Adding omerocmd & removing shaded indentation
Adding Libjpeg to conf.py
Merge pull request #193 from manics/tables_arraycolumns_9957

Tables documentation partial rewrite 9957
Replacing omerocmd with command mark up
Fixing ticket 10174
Replace & by and

Anticipating @hflynn's comment on my PR :)