v0.2.0

• added a way to easily exit no-expired mode in upcoming notes view
• added changelog on "About" page
• added English language version
• added expected expiration datetime format in quickform's placeholder
• added HTTP error handling
• added installer
• added possibility to check for updates on "About" page
• added simple message when there are no notes for given criteria
• added support for unescaped content in .alert-fixed messages
• allowed to create new label while adding/editing a note
• changed /upcoming to hide expired notes by default
• changed "Done", "Undone" and "Remove" to preserve current view after operation
• fixed editing a note without any reminders
• fixed a bug where labels owned by other users were displayed in selection box
• fixed /labels to show actual number of notes assigned to each label
• improved displaying of icons in navbar
• improved forms usability using [required] and [autofocus]
• improved /stats
• made whole notes' headings clickable
• merged StatisticsController@getIndex into InfoController
• redirect quickform to full version in case of errors
• various design tweaks and improvements