Removed commented out code.
Removed ot_super usage.
Restructured members.
Removed virtual because it is not doing anything different than parent.
Minor cleanup.
Removed virtual because same in parent.
Minor adjustments.
Merge pull request #210 from murrekatt/develop

Cleanup in OTTrackable
git hook: convert "Here Strings" to "Here Documents"

"Here Strings" are a BASH feature while "Here Documents" are POSIX.
install_sample_data.sh: Point to upstream repo
Merge pull request #212 from toxeus/shPosix

git hook: convert "Here Strings" to "Here Documents"
Merge pull request #213 from lclc/updateSampleDataPath

install_sample_data.sh: Point to upstream repo
Updates build instructions.

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