Changelog v3.5.1.1:
  - New feature: fund groups;
  - New feature: Support SqlCipher v4 format;
  - fix LP #2077873 - Categories not exported in master database;
  - show fund percentages in pie chart [#36];
  - Service notification title changed;
  - sqlcipher 4.6.1;
  - osmdroid 6.1.20;
  - AndroidChart 3.1.0.25.

