Show warning about body-parser only for post requests

fixed #61
Merge pull request #63 from baby-loris/body-parser

Show warning about body-parser only for post requests
Move reference to a separate page

fixed 62
Merge pull request #64 from baby-loris/reference

Move reference to a separate page
Refactor enb example. Use BEM methodology by default

fixed #59
Fix README
Fixes after review
Merge pull request #66 from baby-loris/enb

Refactor enb example. Use BEM methodology by default
Update package.json
Support `enableDocPage` option
Fix console color
Support `showOnDocPage` method option

closes #70
Fix normalize parameters