Version bump to 0.10.4.pre
Use of Ruby 2.1.2 is now recommended
Updated to rails 4.1.1 and updated other gems

**Gem Changes**
  - Updated to rails 4.1.1
  - Updated to mysql2 0.3.16
  - Updated to contour 2.5.0
  - Updated to carrierwave 0.10.0
  - Removed turn, and replaced with minitest and minitest-reporters
Updated email styling template
Version 0.10.4 finalized