Update README.md
Merge pull request #1184 from zhouyaoji/docs_move_unit_func_test_instructions

[doc] Moved the test instructions to the wiki page, updated the contributing wiki, and linked the old section in the docs to the wiki page.
Merge pull request #1185 from zhouyaoji/develop

[doc] Moved the test instructions to the wiki page, updated the contributing w...
Fixed formatting
Merge branch 'master' into develop