Attempting to use Python's standard library to detect the os version (rather than doing this in CMake, where detecting OSX version number is tricky).
Abstracting whether to disable daemonization into boolean variable at start.
Adding an override option to force non-daemonization on daemonizing platforms.
Merge branch 'detect-os-version'

Merging all changes to tangelo control script behavior into one place in order
to work on #97 and #66 more effectively.
Improved output behavior of tangelo control script in both daemonized and non-daemonized modes.
Better variable name for daemonization state.
Added flag to force daemonization or non-daemonization (mainly for testing).
Better variable name for stdout/stderr targets.
Merge branch 'tangelo-behavior'