Added missing tutorial: compiling_with_omake
Added missing tutorial: compiling_with_gnu_make
Added missing Camlp4 3.10 tutorials
Fixed name to OCaml
Highlight "open" before "Module.".
Improve camlp4_3.10/ tutorials.
Tutorials: Camlp4: generate the output at compilation time.
Code: also flush Format buffers.
Add Camlp4 3.10 tutorials.
Add Citrix company description to companies.html

Citrix's entry was looking pretty pithy in comparison to the rest, so I updated it to include details about how we use OCaml, and a link to our github page.

Signed-off-by: Mike McClurg <mike.mcclurg@citrix.com>
Merge pull request #114 from mcclurmc/master

Add Citrix company description to companies.html