implemented API for static file management https://github.com/globaleaks/GlobaLeaks/issues/64
Merge branch 'master' into feature/thumbnails
Merge branch 'master' into feature/thumbnails

Conflicts:
	globaleaks/handlers/files.py
	globaleaks/rest/api.py
	globaleaks/rest/errors.py
	globaleaks/settings.py
implemented GL Logo and Receiver portrait: https://github.com/globaleaks/GlobaLeaks/issues/64
fixed little mistakes
added random portrait for receiver at creation
added globaleaks default logo
submission emails and exception emails are now anonymized using Tor (txsocksx library)
implemented SSL SMTP Client (in addition to the existend TLS SMTP Client).
SMTP over SSL renamed as SMTPS
"SSL" changed to "ssl" in reference to notification api specification
uuff
Merge branch 'master' of http://github.com/globaleaks/GLBackend

Conflicts:
	globaleaks/utils.py
GLBackend and GLClient aligned to permit SMTPS and SMTP/TLS configuration
commented out last line test_notification.py as this test needs some fix.
notification test re-added moking sendmail function
corrected a typ0 in last commit
Merge branch 'master' of http://github.com/globaleaks/GLBackend
implemented scrypt hashing and unitTest https://github.com/globaleaks/GlobaLeaks/issues/85
completed https://github.com/globaleaks/GlobaLeaks/issues/85