Author: Damyon Wiese
MDL-50085 templates: Minor fixes from peer review
* rename get_filename to get_filepath
* phpdocs fixes
* improve formatting of exceptions
* lang string improvement
http://git.moodle.org/gw?p=moodle.git;a=commit;h=410034eef0402a6aacb109e7074fab4c7331a5f8
http://github.com/moodle/moodle/commit/410034eef0402a6aacb109e7074fab4c7331a5f8
+ 2.9 en [coresubsystem,tool_templatelibrary]