Fix loggin - fixes #50
Merge pull request #51 from klaftertief/2.3.x

Fix logging - fixes #50
added public disableOutputEscaping() to allow for apostrophe and other characters in the subject property
Fix preview and preview debugging (similar to #55)
Release 5.0
Merge branch 'master' of github.com:creativedutchmen/email_template_manager into 2.3.x
Disabled output escaping in subject line