[Cdash] No email on failed continuous builds

[Trevor Kellaway]

Bill,

> This should be done like what we do with CMake.
> 
> 
> Working version is odd numbered:
> 
> 2.7
> 
> Release version is even:
> 
> 2.6
> 
> When I create a new release I do the following:
> 
> 1. create a branch CMake-2-6
> 2. debug the branch.  When it is ready, create a read only 
> tag CMake-2-6-1.
> 
> CMake-2-6-1 can never change at this point.
> 
> 3. put bug fixes on the CMake-2-6 branch until ready for CMake-2-6-2
> 4. When ready create a new tag CMake-2-6-2.


Agreed. Hopefully future releases will follow this style.

-Trevor