Update taps and targets (singer-io#184)

* Update tap-facebook

* Update tap-mysql

* Update tap-postgres

* Update tap-salesforce

* Update tap-adwords

* Update target-stitch

Update version (singer-io#183)

Update version (singer-io#179)

Update version

Run tests sequentially (singer-io#169)

Update version (singer-io#165)

Store temporary knots in a uuid folder (singer-io#160)

* Knot UUID: Backend changes

* Update select tap

* Update submit config

* Update targets

* Update save

* Update load knot

* Fix reconfigure error

* Clean up folders

* Disallow trailing and leading white space

* Only load required fields during syncs

* Fix failing tests

* Delete tmp on app startup, test

Tap postgres (singer-io#116)

* WIP adding postgres tap

* Cater for varying sync optional args

* Refactor code

* Remove unnecessary arg

* Fix config form

* Validate hostname input

* Update validation for hostname and error text

* Simpler and safer regex