browscap 6.x-2.0

This release of Browscap includes two major changes:

• Updated URLs used to retrieve Browscap information. #1833672: Use alternative URLs for Browscap information
• Removed useragent recording. #1795920: Remove useragent recording functionality

Other changes include:

• Fixed PHP warnings by checking to ensure that HTTP_USER_AGENT is available before attempting to use it. #1557756: Undefined index: HTTP_USER_AGENT in _record_user_agent() (line 33 of /var/www/sites/all/modules/browscap/record.inc).
• Use system.module's cache table schema. #1795926: Simplify Browscap's cache table schema definition by using system.module's cache schema