Update 2011-11-09-agile-crusade-12.markdown

removed references to pictures (It sounds like there were pictures at one time anyway)
fixed a few typographical, style, and spelling issues.
Update 2012-04-06-agile-crusade-13.markdown

more typographical and style fixes
Update 2013-06-23-agile-crusade-14.md

Just some more minor changes.
Merge pull request #5 from northben/master

more fixes