remove trailing white-spaces from MailHandler model source.
scm: code clean up unit repository test.
scm: code clean up Repositories Controller.
remove trailing white-spaces and code clean up init i18n test.
scm: cvs: remove trailing white-spaces from functional test.
scm: subversion: remove trailing white-spaces from unit model test.
scm: mercurial: remove trailing white-spaces from unit model test.
scm: filesystem: remove trailing white-spaces from unit model test.
scm: cvs: remove trailing white-spaces from unit model test.
scm: subversion: remove trailing white-spaces from functional test.
