Disable cobertura in examples module
Disable cobertura in examples module

The reason is that examples don't have tests.

Also:

- Improve style

Change-Id: I50585dd0a1f65715a0e6bf5bfc9e20a6b6e463af

yahoo/omid,yahoo/omid,yonigottesman/incubator-omid,yonigottesman/incubator-omid