Git commits in Moodle 2.5.7 by Tim Hunt

commit 0509827f7e41915724e24b730e2c05993cbe5f02
Author: Tim Hunt <T.J.Hunt@open.ac.uk>
Date:   Wed, 09 Jul 2014 20:47:40 +0800
Tag:    v2.5.7

MDL-46148 qtype_calculatedsimple: fix notice


commit b46ec6914583f78fe64589d995f229e9a963376b
Author: Tim Hunt <T.J.Hunt@open.ac.uk>
Date:   Wed, 09 Jul 2014 20:35:09 +0800
Tag:    v2.5.7

MDL-46148 qtype_calculated: fix validation when importing.


commit 6a8d442b0f2f62fbc300d34d912bcb4e1fa3c91e
Author: Tim Hunt <T.J.Hunt@open.ac.uk>
Date:   Wed, 09 Jul 2014 19:56:18 +0800
Tag:    v2.5.7

MDL-46148 qtype_calculated: removed unused method.


commit bee1c88151e1814804df037803bbefbef343eaf5
Author: Tim Hunt <T.J.Hunt@open.ac.uk>
Date:   Thu, 26 Jun 2014 17:48:02 +0800
Tag:    v2.5.7

MDL-46148 qtype_calculated: fix formula validation.


commit 6a1f14fc7b8655849106eab4bfac95e0af7dc14e
Author: Tim Hunt <T.J.Hunt@open.ac.uk>
Date:   Sat, 17 May 2014 21:52:43 +0800
Tag:    v2.5.7

MDL-44333 quiz reports: use consitent name for user pref


commit a08f454f1e043e60c36407e8f9551b927855530b
Author: Tim Hunt <T.J.Hunt@open.ac.uk>
Date:   Tue, 13 May 2014 20:35:39 +0800
Tag:    v2.5.7

MDL-45455 quiz cron must rollback transaction on error.


commit f5fff1fcfb4b876145f6da721d858130820c342e
Author: Tim Hunt <T.J.Hunt@open.ac.uk>
Date:   Fri, 09 May 2014 23:18:18 +0800
Tag:    v2.5.7

MDL-43833 quiz reports: persist states settings between pages.


commit ceb332bc24788fa0065b086acbb842f3e3f2f54d
Author: Tim Hunt <T.J.Hunt@open.ac.uk>
Date:   Fri, 09 May 2014 21:20:17 +0800
Tag:    v2.5.7

MDL-44449 quiz access rules should have a delete hook.