Added Bloomberg Finance L.P. to the learn/companies.md
Merge pull request #344 from StefPac/bloomberg

Added Bloomberg Finance L.P. to the learn/companies.md
sort the companies alphabetically
use eprintf instead of printf to print error messages
Corrected Bloomberg Finance L.P. to Bloomberg L.P.
Merge pull request #348 from StefPac/bloomberg

Corrected Bloomberg Finance L.P. to Bloomberg L.P.
Change "Caml Weekly News" posts titles for better presentation.
Adjust <ol> after a ruled header.
companies.md: list Facebook, Bloomberg, Citrix on top

Addresses #345.