Merge branch 'master-A'

xwiki-platform-mailsender/pom.xml

...r/src/main/java/com/xpn/xwiki/plugin/mailsender/Mail.java

...va/com/xpn/xwiki/plugin/mailsender/MailConfiguration.java

...main/java/com/xpn/xwiki/plugin/mailsender/MailSender.java

...ava/com/xpn/xwiki/plugin/mailsender/MailSenderPlugin.java

.../com/xpn/xwiki/plugin/mailsender/MailSenderPluginApi.java

...n/java/com/xpn/xwiki/plugin/mailsender/MimeTypesUtil.java

...va/com/xpn/xwiki/plugin/mailsender/MailSenderApiTest.java

...com/xpn/xwiki/plugin/mailsender/MailSenderPluginTest.java

...c/test/java/com/xpn/xwiki/plugin/mailsender/MailTest.java