fixes a bug that lead to not reading the plot key correctly from the config
changes the distr used in motifs from int to long
adds APSP heuristic that uses SSSP from k nodes
reworked command line parameters
VIS: reading gui cfg and logo from .jar
VIS: added playback flag to cmd line parameters
VIS: moved control buttons to statsdisplay
renames EdgeListWriter to EdgeListGraphWriter
adds contributor and extends their description
adds FORMATS.md with a description of file formats
adds new long weights to formats.md
Merge branch 'master' of https://github.com/BenjaminSchiller/DNA.git
fixes a bus in SSSP
Merge branch 'master' of https://github.com/BenjaminSchiller/DNA.git
Reworked dead end behavior of ForestFire sampling algorithm
Reworked dead end behavior of Snowball sampling algorithm
VIS: changed statsdisplay layout

- added a StatsGroup to display statistics in the same manner as metric
& general runtimes
- changed some titles and added a new "Control" title to clarify
different areas
- made changes to the configuration to adapt to the new statsgroup
- changed default configuration to be in playback-mode
VIS: fixed a bug with visualizer sizings

- the bug prevented to create visualizers with smaller sizes then those
used in the default config
VIS: small config changes
PLOTTING: method overhaul + cdf plots