tavern-tier-rewards-update(en)

Updated to show the correct gem awards for tiers in the tavern - they were still showing '2' across the board. (en corrected only, other localization files will need the same fix)   Tested and working on my local install.
![image](https://cloud.githubusercontent.com/assets/9312226/5135212/f2b7cbfe-70ca-11e4-8d11-037f640cfbff.png)