Forked docsplit for Concerto - our request for IM support was denied
[user-analytics] Added support for Google Analytics.

RELATED ISSUE : #956
RELEASE NOTES :
This commit adds support for the "Universal Analytics" flavor of GA (analytics.js).
Concerto respects the "Do-Not-Track" setting set by the user-agent.
Merge pull request #957 from concerto/user-analytics

[user-analytics] Added support for Google Analytics.
Switch to a private errbit tracker, close #615.

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fix time field for #963
adjust order of content settings
Merge pull request #964 from concerto/fix_time_settings

closes #963
handle text type config settings
use icons instead of images for test_symbol
add header translations for config check
make it look a little more consistent
Merge pull request #966 from concerto/config_check_cleanup

cleanup config check ui
move label outside class
use bracket notation instead of dot notation
cleanup comment
require docsplit
Merge pull request #968 from concerto/fix_autosize_font

use bracket notation instead of dot notation to avoid obfuscation problems
Merge pull request #969 from concerto/fix_docsplit_uninitialized

require docsplit
Merge pull request #965 from concerto/support_text_area_configs

handle text type config settings
add css for scrolling marquee