Clean files in toolkit.
Clean cli files.
Clean files in stubs.
Clean files in agents.
Clean general files in main directory.
Stylistic corrections and cleaning of header files in cyclus/src.
Stylistic corrections and cleaning for cc files in cyclus/src
Style corrections for files in the subdirectories of test directory.
Style corrections in test files.
Merge branch 'rakhimov-google_style' into develop