Update Installation Notes

Updated installation notes for Ubuntu/Debian, Fedora, and FreeBSD.
Update Installation Notes

Fixed highlighting in Git section
updates
Merge pull request #123 from jeremyschulman/master

fix issue 118
fixes for #124"
update to recognize "T-series"
Merge pull request #126 from jeremyschulman/master

update to recognize "T-series"
updates to recognize PTX"
Merge pull request #128 from jeremyschulman/master

fix #127
to have verbose with nosetests
changing relative import
changing relative import to next slot
Merge pull request #132 from vnitinv/explicit-imports

Explicit imports
Merge branch 'master' into unit-tests
Device Coverage 100%

Cleaned up some tests and got coverage up to 100%