use correct only 1.8 range for java8 profile

This existing range breaks Intellij
![screen shot 2014-09-03 at 2 23 01 pm](https://cloud.githubusercontent.com/assets/4166092/4141688/89006222-33b0-11e4-8c84-1b8969e9b5d8.png)

The provided range syntax conforms to maven range syntax http://maven.apache.org/enforcer/enforcer-rules/versionRanges.html