Merge pull request ucsf-education#160 from lbailey-ucsf/UCSFCLE_405/T-2310/add-report_benchmark

Added Moodle Benchmark plugin master branch v1.5.1

Author: mirleu

.gitmodules

@@ -3,6 +3,11 @@
 	url = https://github.com/Syxton/moodle-block_massaction
 	branch = master
 	tag = 7.4.1
+[submodule "report/benchmark"]
+	path = report/benchmark
+	url = https://github.com/mikasmart/moodle-report_benchmark
+	branch = master
+	tag = v1.5.1
 [submodule "repository/boxnet"]
 	path = repository/boxnet
 	url = https://github.com/moodlehq/moodle-repository_boxnet