Change Travis Configuration
Change Travis Configuration

- change jdk to jdk7
- use default osx template

eirslett/frontend-maven-plugin,eirslett/frontend-maven-plugin,mriehema/frontend-maven-plugin,josmardias/frontend-maven-plugin,eirslett/frontend-maven-plugin,josmardias/frontend-maven-plugin,eirslett/frontend-maven-plugin,mriehema/frontend-maven-plugin,mriehema/frontend-maven-plugin