Merge lp://staging/~mardy/account-plugins/mcloud-plugin-lp1587282 into lp://staging/account-plugins

Add account plugin for MCloud

Add account plugin for MCloud

Testing instructions:

In the testing device, paste the following commands in a terminal:

cat > ~/.local/share/accounts/services/mcloud-test.service <<EOF
<?xml version='1.0' encoding='UTF-8'?>
<service id="mcloud-test">
  <type>test-type</type>
  <name>MCloud test</name>
  <provider>mcloud</provider>
</service>
EOF

cat > ~/.local/share/accounts/applications/mcloud-test.application <<EOF
<?xml version='1.0' encoding='UTF-8'?>
<application id="mcloud-test">
  <description>MCloud test</description>
  <services>
    <service id="mcloud-test">
      <description>Test mcloud account</description>
    </service>
  </services>
</application>
EOF

Then head to the System Settings -> Accounts and create a MCloud account. Ask mardy on IRC for a test account.

To clean up your device after the test, run this command:
    rm ~/.local/share/accounts/*/mcloud-test*