Improve indentation style consistency.
Parse a --colors flag.
Don't use namespace std. It makes things too confusing.
Fix the formatting to use tabs instead of spaces, easier to read this way.
No using namespace std.

Bad form, as Hook would say.
Add support for colors.

Colors are added for terminals that have 256 color support when the
--colors flag is enabled.  The background colors are varied with different color
maps derived from their matplotlib versions.  The foreground color is a
contrasting black or white.
Add instructions for color support in the README.
Mac OS X support and BSD function stubs

Reorder the functions, begin OS X specific functions
Load averages and Memory usage now works on OSX (I hope the calculations are correct)
Minor edits
Finish OSX support - Fixes CPU usage
Merge branch 'colors'

Add support for colored output.
Merge remote-tracking branch 'Justastic/master' #1, #2, #5

Add support for Mac OSX from Justastic.  Refactors the code from Justastic so it
works with the Linux code and so it also works for the new colors support.

Still need to test on OSX.

Conflicts:
	tmux-mem-cpu-load.cpp
Output error on graph_lines < 1.  Issue #3.
Use EXIT_SUCCESS/EXIT_FAILURE.
Output error on status interval < 1.
Add tests.
Update README to note OSX is now supported.
Add contributors to README.
Add load_line variable for OSX.