Merge branch 'hotfix/code_coverage_status' into develop
Better image quality with code coverage status
Empty graph has no edges
Unit tests for a full graph added
graph::add_directed_edge() added
Unit tests for graph::add_not_directed_edge() added
Merge branch 'feature/graph' into develop
Readme file includes performance section
Fixed tabled in readme file
Fixed tabled in readme file
Fixed headers in readme file
Merge branch 'feature/readme' into develop
DFS algorithm works for an empty graph
googlemock library added
google mock used in depth first search unit tests
c++0x flag removed from compilation since travis' default g++ compiler doesn't support it fully
DFS algorithm works for custom graphs
Compilation fix
Depth-first search description added to readme file
Fixes in readme file