2.8.3:
* Readonly flag for project
implemented.
* Note for room and symbol
implemented.
* Bugs fixed.
2.8.2:
* Regressions fixed.
2.8.1:
* Printing and PDF export available on
Android 4.4 devices and newer
* Tap dimension text of selected
door/window to set its position from the keyboard
* Width / height buttons for rectangular
rooms with four walls
* Position of cloned symbol should not
be locked
* Bluetooth connection is preserved
until you quit the application