Fixed typos and comment cleanup
Remove tilt comment
Typo fixes and intendation of private method block
Fixed intendation, and punctuation mark
Removed Java like comment style
Fixed encoding parameter in Rakefile
Typo fixe + license year removal
Removed unused smtp_settings variable
Removed newline
Formated text + single quote replacement
Double quote replacement
Merge pull request #1281 from matthias-guenther/master

Documentation fixes
fixes #1274, fixes #1269
fix test suite to catch non-safe html
fixes #1283