Added build w/o tests and alt. port instructions.
Linkify check descriptions
Issue-144 Allow custom email content

Configuration parameter for custom email template.
Loading of alternate template path.
De-static'ized the filename and content properties of the
VelocityEmailHelper to reflect their dependence on a SeyrenConfig only
available on instantiation.  Further de-static'ized the private method
that performed the one-time content initialization.
Added test locking down default.
Added stub test template for loading verification.
Added test that exercises alternatively configured test template.
Updated documentation.
Fix up documentation.
Arbitrary check search by fields and corresponding regular expression.

Modification of checks resource parameters to add fields and regexes.

Added acceptance tests demonstrating, documenting and enforcing usage of check search API.

An example URL is localhost:8080/api/checks?fields=name&patterns=test&fields=description&patterns=test.*description.*
Seems I managed to clean out subscriptions each time we saved a check
Merge pull request #187 from foozlevazquez/master

Added build w/o tests and alt. port instructions.
Merge pull request #193 from joelittlejohn/linkify-description

Add a link to a check
Merge pull request #206 from petems/rebased_email_template

Rebased email template
Fix an invalid char in the Docker Seyren Image link.
Merge pull request #208 from jvrplmlmn/fix_markdown_in_readme

Fix an invalid char in the Docker Seyren Image link
Merge remote-tracking branch 'upstream/master'