v1.6.0 Release

• New: Improved modal, added view types
• Proper date if none set in WordPress settings
• Updated libraries
• Added wp_mail hook to very last priority
• Improving Modal
• Network attachment fix
• Security improvements.
• Converted indents to tab format.
• Added exit by direct access.
• Moved fa stuff to Utils.
• Save current WordPress time instead using MySQL database time. gh-29
• Introduced composer …
• Added uninstall unit tests.
• Working on code style.
• Added tests for logrotation.
• Fixed compatible array access prior php 5.4
• Moa tests.
• Improved format.
• php >=5.4 is required now.
• Introduced namespaces.
• Working on tests.
• Fixed translation domain.
• Use static singular and plural identifier.
• Approach for issues from #31.