Git commits in Moodle 3.4.2 by Jeff Webster

commit a8d1cc65985e20ea78c9ebf704fa2a9467594e8b
Author: Jeff Webster <jsw@ncsu.edu>
Date:   Tue, 06 Mar 2018 08:30:08 +0800
Tag:    v3.4.2

MDL-48501 auth/email: update external class to use reCAPTCHA v2

commit 1fca1d68b5c29d6fbd69ae7ec5e8d97b1eaca0f9
Author: Jeff Webster <jsw@ncsu.edu>
Date:   Sun, 04 Mar 2018 14:28:45 +0800
Tag:    v3.4.2

MDL-48501 lang: update reCAPTCHA language strings

commit 3ff16f4ed9e26244311b07065b4bbb821b23f2f5
Author: Jeff Webster <jsw@ncsu.edu>
Date:   Sun, 04 Mar 2018 14:28:45 +0800
Tag:    v3.4.2

MDL-48501 recaptchalib_v2: add new lib to support reCAPTCHA v2

commit b526202a35ce6f756411bdc083ad5485dd92c945
Author: Jeff Webster <jsw@ncsu.edu>
Date:   Sun, 04 Mar 2018 14:28:45 +0800
Tag:    v3.4.2

MDL-48501 form/recaptcha: update to use reCAPTCHA v2

commit 17e1f9a22d33e58c90e9d0e77dcef59c0efbdd53
Author: Jeff Webster <jsw@ncsu.edu>
Date:   Sun, 04 Mar 2018 14:28:45 +0800
Tag:    v3.4.2

MDL-48501 login: update signup_form to use reCAPTCHA v2

commit d0c9577d6c44d380966a2b4d632de370a0d783cc
Author: Jeff Webster <jsw@ncsu.edu>
Date:   Sun, 04 Mar 2018 14:28:45 +0800
Tag:    v3.4.2

MDL-48501 mod_feedback: update feedback to use reCAPTCHA v2