Add oraclejdk8 and drop oraclejdk7 in .travis.yml
Add oraclejdk8 and drop oraclejdk7 in .travis.yml

MarinnaCole/LightZone,ktgw0316/LightZone,MarinnaCole/LightZone,ktgw0316/LightZone,ktgw0316/LightZone,ktgw0316/LightZone,ktgw0316/LightZone,MarinnaCole/LightZone,MarinnaCole/LightZone,ktgw0316/LightZone,MarinnaCole/LightZone,MarinnaCole/LightZone,MarinnaCole/LightZone,ktgw0316/LightZone