[maven-scm] copy for tag email-ext-2.16

[maven-scm] copy for tag email-ext-2.15

[maven-scm] copy for tag email-ext-2.14.1

[maven-scm] copy for tag email-ext-2.14

[maven-scm] copy for tag email-ext-2.13

[maven-scm] copy for tag email-ext-2.12

[maven-scm] copy for tag email-ext-2.11

[maven-scm] copy for tag email-ext-2.10

[maven-scm] copy for tag email-ext-2.9

[maven-scm] copy for tag email-ext-2.8