Spikeball (0.5.2)

• Fix getDOM for Ember 2.6/2.7 in integration tests #95 (simonihmig)
• Upgrade to Ember-cli 2.13 / Babel6 / yarn #94 (simonihmig)
• Update code sample to use boolean instead of string representation of a boolean #90 (andrewhavens)
• some cleanup and clarifying #85 (raycohen)
• Add note about Ember 2.10 #83 (lukemelia)
• Update README.md #80 (graham-sportsmgmt)
• Update README.md #79 (graham-sportsmgmt)