V1.6.2

Implemented enhancements:

• Reverse Domain Name Notation is now used for filenames (application data, executables).
• An appstream appdata.xml metadata file has been added.
• The following translations are updated: Lithuanian.

Fixed bugs:

• Parsed command line strings would not get freed.
• Changing the path to the stored todo.txt files would lead to a crash when a task is marked as done.

Merged pull requests:

• Add appdata file #123 (AsavarTzeth)
• Add flatpak instructions and fix archlinux #124 (AsavarTzeth)