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.
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