+ implemented composer to install the depedencies - removed all dependency folders, since from all libraries the same version is available via packagist
* ignore the composer.phar file
* initialize the composer autoloader
* fixed installation process
New path after switch to Composer dependencies management.
Add protocol/scheme to url from getCLIMailingUrl().

Should fix bug #1983.
Merge pull request #213 from jtraulle/master

Composer implementation
Merge pull request #215 from Freso/1983-incoming-mail-fix

Fix bug #1983: Add protocol/scheme to url from getCLIMailingUrl().