fix compiler warnings for missing declarations: put functions in anonymous namespaces; add header includes

- break some real long lines to improve readablility

- add local editor variables for vi and emacs

- standard header added

- throw GeneralClassicExeption on (most) H5hut errors

- set verbosity of H5hut to '1' to get H5hut error messages

- unused enum commented out (clang complains)

AMR to OPAL Master

Closes #19, #18, and #14

See merge request !24

- adds Trilinos and AMReX based geometric multigrid solver