new rule: requireHyphenBeforeDescription
rules: change test case wording to be consistent
Merge pull request #52 from hzoo/require-hyphen-before-@param-description

new rule: requireHyphenBeforeDescription
requireHyphenBeforeDescription: add rule to readme
Merge pull request #54 from hzoo/require-hyphen-before-@param-description

requireHyphenBeforeDescription: add rule to readme
v0.0.24

- new rule requireHyphenBeforeDescription
- README updates
add contributors