Removes commented out code.

This supposedly did something at some point for Android. But no longer
and it was confusing for newcomers.
Merge pull request #215 from haarts/remove_confusing_comment

Removes commented out code.
git hook: also check for clang-format-3.5

On Ubuntu systems the binary is called clang-format-3.5.
Merge pull request #217 from toxeus/fixHook

git hook: also check for clang-format-3.5
Working csharp wrapper, needs further testing/refinement
Merge pull request #203 from BlueWall/develop

Csharp wrapper
Updates build instructions.

Adds ZMQ.
Adds ZeroMQ to Fedora install instructions.
Adds ZeroMQ to openSUSE install instructions.