Removed unnecessary includes
Removed old circuit models
Removed unused function getStateSize
Removed redundant/buggy getTime functions

PingPong didn't even implement getTime correctly, and SMMP obviously
copy and pasted the incorrect code.
Added re2 library
Removed extraneous EXTRA_DIST
Added new iscas model.
Created state class for each object type
Switched to boolean operator
Fixed off-by-one error
Added large s38584.1.bench
Removed old include
Temproarily reverting line ending changes
Merge branch 'new-isacs-sim'
Converted all line endings to Unix style
Added .gitattributes to force Unix line endings