add mailer component
convert idents tab to space
convert idents tab to space
reformat code to PSR-2
reformat code to PSR-2
reformat code to PSR-2
add phpDoc description to class vars and methods, and code style to PSR-2
Rename main class "Mailer" to "Manager"
creating Swift of instances moved to the DI
add method "getManager" and change swiftMailer version to 5.2.*
fix typo in a variable name and change swiftMailer version to ~5.2.
creation SwiftMailer of instances moved to the DI
Merge pull request #219 from KorsaR-ZN/master

added mailer component