- split one big file to separate rules tests

- split rules to 2 types: node checker, and tag checker
- filter rules by tags in iterator
- filter rules by scope (now it's only function scope)
- patch rule files (set scope everywhere)

- remove doctrine, add jsdoctypeparser for parsing doc types
- rename jsDoc to jsdoc for simplicity
- rename forEachTag to iterate
- remove data property, extend DocComment object
- simplify param checkers

Fixes #3

Fixes #32

- add basic tests for configuring with empty data
- add configure and check helpers to tester
- change mocha reporter to dot

- create DocLocation class with line and column
- add loc field to DocType, DocName and DocTag
- split params to several files
- add tests for jsdoc classes

A lot of refactoring, add tests, migrate to jsdoctypeparser

- rework checkTypes rule: now it checks a bunch of additional tags
- dev: migrate from doctrine to jsdoctypeparser
- dev: split param, return rules, tests
- dev: change mocha reporter to dot
- dev: jsdoc node classes and a lot of tests for them
- dev: rule api reworked