Merge pull request #174 from opotowsky/develop

updating copyright date in License file
Add db_comparator function into cyclus_tools
Add main regression test file for cyclus
Correct arguments of db_comparator function
Correct error in the name of tests_cyclus.py
Corrected import statement in test_cyclus.py
Correct yield statements in test_cyclus.py
Corrected db_comparator not to throw sys_exit() errors.
Close databases after comparing them.
Remove output_temp.h5 only if it exists
Run comparison only if cyclus run successfully with a given input
Add comment file about requirements for tests to run
Renamed the readme file
False positive behavior is corrected
Replace assert_array_equal with array_equal in order to remove
try-except blocks
Remove unused import
Add information about the expected workflow for a user.
Update readme.txt
Add comments and bash script into readme.txt for more details.
* work on py script to auto-gen regreesion ref dbs
* refgen now builds and installs cyclus and cycamore correctly
* moved sandbox dir to /tmp.  cyclus is not run and input files generated. minor refactor
* added subcommands to refgen util for creating ref dbs and adding ref dbs to reflist json file
* more work on reflist generation