trying eliptic initial shape - does not work...
deleting changes related to elliptic initial condition - will add additional files
adding new files to test eliptic droplet in 2d (the python plotting code and c++ code are very similar to ones for previous tests for 2d)
Merge https://github.com/igfuw/libmpdataxx
changing plots for papers - each subplot in different file
Merge branch 'master' of https://github.com/djarecka/libmpdataxx
changing domain for eliptic drop; plots are switch off for testing
anallytic solution for eliptic dropl
some changes in plotting eliptic drop
Merge https://github.com/igfuw/libmpdataxx

Conflicts:
	tests/shallow_water/CMakeLists.txt
	tests/tutorial/7_shallow_water/plot.py
adding TODOs
removing over cautious assert from mpdata-fct ctor to enable using donorcell with the default options (keeping larger halo)
cleaning up debug leftovers
adding hint_scale option to scale the field just for advection + new unit test (hist_scale); moving ijk into solver_common (was needed to get scaling into solver_common)
correcting a typo!
Merge pull request #142 from slayoo/master

adding hint_scale option + a relevant unit test
updating TODO
Merge github.com:igfuw/libmpdataxx
changing path of the python plot
Merge branch 'master' of https://github.com/djarecka/libmpdataxx