Merge pull request #1 from DavidEGrayson/master

Added all of my presentations!
Kata Yinsh by Paul, Sending Email by Brian
added rails internationalization by jason
renamed rails internationalization (wrong date)
Added 2013-09-25 Randomness in Testing - Paul Grayson
Added Alex "What to Test"
added "What's a Capybara?" by Brian
Added a couple of talks by Gabe and one by Sean
Merge branch 'master' of github.com:LasVegasRubyGroup/presentations
fixed misspelling of Sean Hagstrom
Merge branch 'master' of github.com:LasVegasRubyGroup/presentations
Merge pull request #2 from DavidEGrayson/master

Added 2013-10-23 Extending Ruby with C
added russ's talk
Merge branch 'master' of github.com:LasVegasRubyGroup/presentations
Merge branch 'master' of github.com:LasVegasRubyGroup/presentations