Changed JavaScript Tracking Code generation to use "//", instead of verifying whether the site is using "https", or not, and generating a corresponding URL.

"//" has been part of the RFC for well over 18 years. It has been confirmed to work in all major browsers (Firefox, Chrome, IE, Opera).

References:
- RFC 1808 Section 4: http://www.ietf.org/rfc/rfc1808.txt
- RFC 3986 Section 5.2: http://www.ietf.org/rfc/rfc3986.txt
- Stack Overflow QA 1: http://stackoverflow.com/q/4659345/238722
- Stack Overflow QA 2: http://stackoverflow.com/q/6785442/238722
First attempt at fixing failing tests.
Merge branch 'master' of https://github.com/piwik/piwik
Missed one correction on the failing tests.
Removing pre PHP 5.3 checks
Update testMinimumPhpVersion.php
Update testMinimumPhpVersion.php
Update testMinimumPhpVersion.php
Update testMinimumPhpVersion.php
Refs #3490 User ID Tracker is now working:
- new user_id field to contain the raw user id value
- new &uid= tracker api parameter
- add userId to Live API output
- added integration test
Refs #3490 User ID Tracking with Piwik.js + tests
Refs #3490 Encode user id value before sending to Tracking API.
xhprof removed their composer.json file, adding it to our composer.json file so we can still use composer to manage xhprof. Added an extra script to make sure the update is clean for git users.
Skip xhprof building if phpize or make are missing.
Trimming output of build-xhprof.sh script.
Merge pull request #6107 from piwik/xhprof_composer

xhprof removed their composer.json file, adding it to our composer.json file so we can still use composer to manage xhprof. Includes output cleanup for build-xhprof.sh script.
refs #6089 should fix broken test after we changed default value
refs #6102 wondering if this solution breaks anything. Should display all processedMetrics in columns array of processed report
refs #6102 make sure processedMetrics is an array to prevent any notice
Merge pull request #6112 from piwik/6102_fixProcessedReportColumns

Fix getProcessedReport does not include all metrics in columns