Merge pull request #17 from jonas054/bugfix2

The configuration property should be "Enabled", not "Enable".
Merge pull request #18 from jonas054/bugfix2

Added coverage task, which runs simplecov.
Instantiating only enabled cops.
Merge branch 'master' into optimization
Merge pull request #19 from jonas054/optimization

Simplified handling of enabled flag
New rule: Ternary operators must not be nested.
New rule: Never use unless with else.
Merge pull request #20 from jonas054/more_rules

More rules
add --silent parameter to silence summary output
Merge pull request #21 from yaauie/feature/silent-summary

add --silent parameter to silence summary output
New rule: Use &&/|| for boolean expressions, and/or for control flow.
Skipping rather than dying when a parse error occurs.

This can happen in files that are called something.rb but are actually
meant to be preprocessed by erb.
Merge branch 'master' into more_rules
New rule: Never use "when x;". Use "when x then" instead.
Merge pull request #22 from jonas054/more_rules

More rules
Version bump to 0.3.0
Regenerate gemspec for version 0.3.0
New rule: Favor modifier if/unless/while/until usage when you have a single-line body.
Merge branch 'master' into more_rules
Correction: Conditionals with else in them can not be written as modifiers.