Adding /help/configuration endpoint

https://dev.twitter.com/docs/api/1.1/get/help/configuration
added missing search params and search results metadata
Merge rebased branch 'master' into fix-missing-params-metadata

Conflicts:
	tweepy/api.py
Merge pull request #309 from drevicko/fix-missing-params-metadata

added missing search params and search results metadata
Support setting the starting cursor position...

Ex: Cursor(api.friends_ids, cursor=123456)

The cursor will start iterating at position 12456 rather
than the first "page" (position -1).

Based on original work by Ruxandra Burtica in Pull request #194.
Merge pull request #235.

Conflicts:
	tweepy/api.py
Fix syntax error caused by bad merge.
Added count field to followers list
Merge pull request #376 from AbhishekGahlot/master

Added count field to followers list
Add additional parameters for followers/list
Enable fast finishing on Travis CI
Auth handlers should use HTTPS by default.
Add contributor.

[ci skip]
Add more changelog notes for 2.2 release.

[skip ci]
Release 2.2