Support `getRouteMap(function (annotations) {...})` signature

This adds support to `getRouteMap()` to accept a filter function, making
it support the same signatures as `findAll()`.

Fixes #4
Add API information and overview
Fix formatting and typos
Clarify several content issues by @drewfish
Bump version to v0.0.3
Ignore examples/ from npm
Merge branch 'readme' of github.com:clarle/express-map into clarle-readme
Fix test script to run on Windows

Windows had some trouble getting to the Istanbul CLI and finding the
right Mocha script. This variation of the test script should work on all
platforms. Also removing failing pretest jshint
Merge pull request #17 from juandopazo/tests-windows

Fix test script to run on Windows
Reduce complexity of `getRouteMap()` by removing the early filtering
Apply all args from getRouteMap() to findAll()
Merge branch 'get-route-map-fn'

Conflicts:
	index.js
Update express-annotations dependency to 0.1.0
Add HISTORY entries for latest changes
Bump version to v0.1.0