Intial commit. Empty Repository.
Fist working version

This version contains:
  Buttons:
    * Start
    * Stop
    * Reset altitude
  Text field:
     * Start presure    [hPa]
     * Current presure  [hPa]
     * Current altitude [m]
     * Hello text

Signed-off-by: Janusz Kozerski <janusz.kozerski@gmail.com>