Put in more ifdefs so now it is possible to build only the AlbanyT executable.
To do this, you need to set the following flag in your Albany cmake configure script:

 -D ENABLE_ALBANY_EPETRA_EXE:BOOL=OFF \

If you do this, Albany and AlbanyAnalysis will not be build; AlbanyT and AlbanyAnalysisT
will be build instead.  Also only the AlbanyT and AlbanyAnalysisT tests will run.

This option may be of interest to people who only care about the "T" executables (e.g., RPI developers).

Right now the following test fails with ALBANY_EPETRA turned off:

	 72 - StaticElasticity1D_Analysis_Tpetra (Failed)

Need to figure out why.

Modified also my nightly cronjob scripts to build with ALBANY_EPETRA turned off, and run tests.
This is to verify that no checking break AlbanyT only build of Albany.

Note that turning off ALBANY_EPETRA in the tpetra branch does not mean there won't be any Epetra
in your code.  Ultimately this will be the case, once all the Epetra stuff is ifdef'ed out.