Unified the layout of devise forms
Fixed TZ issue in EventDrop spec and removed the last deprecation warning

Added bundler caching on travis ci
Add ChangeDetectorAgent, test

New agent will watch the property of an inbound event stream. When that
property changes, it will emit the inbound event.
Merge pull request #436 from dsander/rspec-fixes

Fixed TZ issue in EventDrop spec and removed the last deprecation warning
Merge pull request #425 from dsander/reset-forms

Unified the layout of devise forms
Updates based on feedback

* Updates the default option for `property` fro 'output' to '{{output}}'
* Use Delorean for tests
Merge pull request #437 from PetroFeed/add_change_detector_agent

Add ChangeDetectorAgent, test
FARADAY_HTTP_BACKEND now affects RssAgent and PostAgent too.
Set a global default User-Agent value via an environment variable.

Names starting with HTTP_ should be avoided in the context of Web app,
hence the rather verbose name `DEFAULT_HTTP_USER_AGENT`.
Use content_tag.
Add a hover menu to the "Agents" nav link.
Sane docker file optimized for quick rebuilds
Merge pull request #440 from knu/agents_hover_menu

Add a hover menu to the "Agents" nav link.
Tweak gem dependencies to improve platform support for *BSD and Solaris.

* ffi: pull in unreleased fixes from GitHub master on *BSD.

* tzinfo: require >=1.2.0 to gain support for *BSD and Solaris,
  eliminating the need for the tzinfo-data gem.
Merge branch 'platform_support'
Merge pull request #441 from andrewcurioso/docker

Docker image out of date