Merge branch 'hotfix/12'

Close #12
Refactored Application.php to show banner and footer on each run
Merge pull request #14 from RalfEggert/feature-banner-show-always

Refactored Application.php to show banner and footer on each run
[#14] Remove IDE rules from gitignore
Merge branch 'hotfix/14' into develop

Forward port #14