Personal space

Summary

• Added personal space to view personal information and change login credentials
• Added a dark theme
• Improved safety of coupled database requests

Complete changelog

Added

• Light and dark themes
• Transaction wrapping for coupled requests
• Personal space
  • Display personal info
  • Change password
  • Change email
  • Delete account
• Testing
  • Unit tests
    • Locale setting
    • Session settings (locale and theme)
    • Auth pages access
    • Auth requests
    • "Change email" request and validation
    • "Change password" request and validation
    • "Delete account" request and validation
    • Access to account page browser test
    • Account page browser tests
  • Feature tests
    • Account deletion
    • Email change
    • Password change

Changed

• Views
  • Made home footer a common footer for every page
• Updated dependencies

Fixed

• Typos in some testing functions names and comments
• Typo in README file