Resolved dependency issue with --recover
(closes #3674)
Merge pull request #3794 from aeslaughter/recover-3674

Resolved dependency issue with --recover
Remove those pesky environment variables. Closes #3817
Fixing warnings in solid mechanics module.

@backmari, can you comment on why you compute all these values but
they aren't used for anything?

Refs #1777.
Merge pull request #3819 from milljm/updateStable_env

Remove those pesky environment variables
Merge pull request #3820 from jwpeterson/fix_warnings

Fixing warnings in solid mechanics module.