Notification of string changes

MDL-23502 fixed php docs in enrol/database + removed unnecessary caps


http://github.com/moodle/moodle/commit/9232bceb53851f2d9734c7354f9644cc55595d5b

- 2.0 en [database:config,enrol_database]
- 2.0 en [database:manage,enrol_database]