This pair of commits increases the character limit for 

devHWwarning and danger fields from 2 to 10 allowing for upto 99G HW errors range

modifies Rigs' devid display to reflect the name shown in miner console
corrects BTCguild pool hashrate from GH/S to PH/S

Below is a screenshot of all applied changes in action
![screen shot 2014-10-04 at 7 51 02 pm](https://cloud.githubusercontent.com/assets/1194617/4517154/64cb663e-4c21-11e4-8870-9925e47e0e85.png)