Implement new initialize method for Trilinos AMG preconditioner: It can be based on an Epetra_RowMatrix object. We can use this code path for the standard initialize method with TrilinosWrappers::SparseMatrix as well.
Improve the documentation for the new initialize methods.
Merge branch 'master' of https://github.com/dealii/dealii
Correct return type of n_global_rows for 32 bit integers.
Improve documentation
List change in doc/news/changes.h
Merge pull request #52 from kronbichler/master

New initialize method for Trilinos AMG preconditioner with Epetra_RowMatrix