advagg 7.x-2.15

Bugs Fixed:
#2536680: bootstrap.js & defer
#2534520: Problem with js clientside validation
#2537002: PHP 5.2 - unexpected T_PAAMAYIM_NEKUDOTAYIM in advagg.install on line 616
#2537972: detect inline (jQuery) with named function calls.
#2537570: Fatal error: Cannot use object of type stdClass as array in advagg\advagg.module on line 1909
#2537770: Error during advagg validator update 7202 in advagg_install_change_table_collation()
#2537634: To use fontfaceobserver locally
#2538170: Warnings
#2538724: Inline defer and GA 1.4
#2540982: Use different Js Compressor with AdvAgg & HTTPRL.
#2543146: Cannot use a scalar value as an array
#2543184: file_get_contents(public:/...): failed to open stream: "DrupalPublicStreamWrapper::stream_open" call failed; filesize(): stat failed for public://...; SQLSTATE[HY000]: General error: 1366 Incorrect integer value: '' for column 'filesize'
#2471309: Cache-Control and Pantheon
#2544768: Warning: strpos() [function.strpos]: Empty needle in advagg_url_inbound_alter()
#2545748: Cleanup advagg_font drupal setting
#2545786: SQL Server | WSOD after installing Advagg Bundler
#2549597: AdvAgg clobbers $page variable in html.tpl.php if it has already been rendered
#2550463: make sure fallback font is also not a downloaded font
#2546564: Adv CSS/JS Agg - If-Modified-Since warning but 304 is delivered
#2551139: jQuery undefined when js is deferred in IE8; drupal.settings.* issues with IE9
#2553445: CSS selectors for fonts not generated correctly when a font changes based on a media query
#2470795: Empty CSS File - sites/default/files/advagg_css/parts/ is a dir not a file
#2554325: Omega theme; dev mode; no css ajaxPageState.

New Features:
#2542338: Use a link prefetch for stats.g.doubleclick.net to get the connection open
#2537056: Per File Settings not working when installed right away
#2550461: Make FOUT optional

Notes for other modules:
HTTP Parallel Request & Threading Library is not required but is recommended so Aggregates will be built in the background.