v0.2.7

• Added gscale option which allows specifying the size of the generated dataset
  based on the graphalytics scaling metric.

• Fixed a bug which caused wrong serialization of data once the numPartitions
  parameter was larger than 1.

• Integrated codacy and fixed a zillion of coding style issues

• Updated license header and added it to those files where it was missing

• Fixed a Bug causing the distribution of population to be wrong. Added a test
  for this

• Fixed a Bug causing the distribution of posts per country to be wrong. Added a
  test for this

• Fixed several bugs related to date generation of dependent events. Added a
  test for this