Tell people not to be the BOFH.

This is a start to the "how not to be a sysadmin" section. I've tried to
achieve some balance between useful guidance and preaching.
content for airco, security in datacenters

Filled some content for review
soft skills: corrected list indentation
soft skills: use Amazon short url
soft skills: trailing whitespace
Add some basic ansible stuff and also some thoughts about organization
for the 101 section.  Good start, like this idea.
Adding section on how to become an operations engineer
converting to internal links
How to navigate the filesystem
added a new top level learning topic
added learning to break stuff out of soft_skills. Let's see if it worked.
fixed some quoting issues
fixed some quoting issues
Correct wrong name in description
Merge pull request #78 from craigbox/patch-1

Correct wrong name in description
Merge pull request #74 from mpdehaan/master

Add ansible, some notes about confg management section in progress
Merge pull request #75 from avleen/careers

Adding section on how to become an operations engineer
changes requested by mike
cleaning up the paragraph for command line/shells
changing bash to console