pgr_makeConnected GSoC 2020 Week 6

[rajhim2]

• Completed with coding implementation of boost Graph function pgr_makeConnected. The correct set of rows are getting returned at the ouput.
  • Modified the coding implementation of my previous function pgr_boyerMyrvold() based on my mentor's reviews during Bolsena Code Spirint.
  • Modified and added all the required files for the implementation of my function:
    • include/drivers/makeConnected/ - makeConnected.h
    • pgtap/makeConnected/- makeConnected-edge-cases.sql, makeConnected-innerQuery.sql, makeConnected-types-check.sql, no_crash_test-makeConnected.sql
    • Modified sql/makeConnected/ - CMakeLists.txt, _makeConnected.sql, makeConnected.sql
    • Modified src/makeConnected/ - CMakeLists.txt, makeConnected.c, makeConnected_driver.cpp
    • Modified the configuration.conf file in the root of the repository
  • Modified the .github/workflows/ubuntu.yml to fix the ubuntu build error.
  • Fixed all Travis CI and Appveyor warnings and errors.
  • Merged a pull request with all these changes (#58).