Anahita 4.5.2 Birth Release

• changed: fileable behaviour now checks for a file containing list of mimetypes otherwise uses an empty array.
• removed: all the unsupported mimetypes from the com_documents
• changed: improved signup workflow prompt messages
• added: site:signup command to the cli tool
• removed: first user signup from the people signup controller
• changed: updated installation instructions in the README file.
• added: random_password method to the functions.php
• changed: default trending days for tags to 30 days