Update website in gemspec.
Ref #159 - Changes html id to class
Ref #155 - Millisecond measuring units

- Altered the labeling of durations when <1 second
- Altered related specs that cover output to email
- Cleaned up a few lines that had trailing whitespace
Merge pull request #160 from jefflunt/159-id-to-class

Ref #159 - Changes html id to class
Ref #155 - Millisecond label to whole numbers

- Per @barttenbrinke comment
Merge branch 'master' into 155-ms-support
Merge pull request #161 from jefflunt/155-ms-support

Super! Thanks for the increase in significance :+1:
Bump version
Travis config fixes
Drop support for Ruby 1.8
Drop support for ActiveRecord 2
Set minimum Ruby requirement in gemspec
Get rid of OrderedHash
String#force_encoding now always exists
Bump evrsion to 1.13.0
adapt Delayed Job 4 log format changes