Git commits in Moodle 3.3.0 by Matteo Scaramuccia

commit bf4f857acfdbfa1fa44afafe6fd62460d98a041f
Author: Matteo Scaramuccia <moodle@matteoscaramuccia.com>
Date:   Tue, 21 Feb 2017 05:50:24 +0800
Tag:    v3.3.0-beta

MDL-58027 files: Restored missing htmlentities() call

commit f2de8226a8ce2e89efcec31ef38c915667c62984
Author: Matteo Scaramuccia <moodle@matteoscaramuccia.com>
Date:   Sun, 19 Feb 2017 21:56:27 +0800
Tag:    v3.3.0-beta

MDL-57789 files: Used if-then instead of ternary operators

commit 203c5bce2793a73ada57365a359e97aac0d6d43a
Author: Matteo Scaramuccia <moodle@matteoscaramuccia.com>
Date:   Sun, 12 Feb 2017 07:07:15 +0800
Tag:    v3.3.0-beta

MDL-57789 files: Reviewed lifetime value

commit 7338ce018202bfc992abc9fc1eb5cef551a1c0d5
Author: Matteo Scaramuccia <moodle@matteoscaramuccia.com>
Date:   Mon, 06 Feb 2017 00:03:12 +0800
Tag:    v3.3.0-beta

MDL-57789 files: Let send_stored_file() rely on send_file().

commit ed0a1cd708c1c4f0085f33d53999b6c6034451da
Author: Matteo Scaramuccia <moodle@matteoscaramuccia.com>
Date:   Mon, 30 Jan 2017 04:45:58 +0800
Tag:    v3.3.0-beta

MDL-57789 files: Use immutable Cache-Control extension.

commit cdf8238b142ba4212c82aa81bdf137335b4ab017
Author: Matteo Scaramuccia <moodle@matteoscaramuccia.com>
Date:   Mon, 09 Jan 2017 04:29:47 +0800
Tag:    v3.3.0-beta

MDL-57379 Files: Improved file argument evaluation.