change repo URL from git+ssh:// to git+https://
Merge pull request #5 from goodbest/patch-2

change repo URL from git+ssh:// to git+https://
Create .travis.yml
Update .travis.yml
Update README.md
create mixin to allow switching of backend
move test wrapper into fsWrapper where appropriate
add unit tests for fsWrapper
make other unit tests no longer depend on fsWrapper
Merge pull request #8 from cwoac/localfs

Allow multiple backends
fix where cacheWarm param is read from and improved some logging
Renamed fsWrapper to PersistorManager

not 100% happy with that still but its the best I can see so far
make s3 chosen if no config option specified
rename *wrapper  to FilestoreManager
remove ToS3 from filestore commands
rename configuration option for filestore.
add details of interface to FilestoreWrapper.coffee for reference.
remove api comments
rename settings.filestoreManager to settings.persistorManager
revert settings.persistorManager
change the method for assuming s3
Merge pull request #10 from cwoac/rename_to_persistor

Finish abstracting persistor manager
unit test passing version of FSPersistorManager
Allow selection of FS persistor manager. Only require the chosen persistor manager.
filter /s from key ids
fix tabbing
cranked up kill to child processes to    killSignal: "SIGKILL"