Update .gitignore to ignore files from eclipse
Update .gitignore to ignore files from eclipse
Added Stub implementation of Scala STM files
Added a StubRef.
minor edit: Just identation things
Stubs were erroneously classes instead of traits. Corrected.
Due to type inference, the method became as resulting in Nothing instead of Unit, as it should. Corrected.
Added Stub for InTxnEnd.
The stub was erroneously extending InTxnEnd, while it should be InTxn. Corrected.
Corrected import of TimeUnit
Merge branch 'staging' into svstm

Cherry picked the commits from another repo to this one.
It only adds stub implementations of things to aid in the implementation of a new
backend for the Scala STM