Prepare to move possible part of python box tests to lua
Move tests to lua, and, also make them prettier (multiline code, YAML compatible and other)
Move net_sql.*.tests to box_lua folder. Prepare to move them to lua
Move net_sql.*.test to lua. Also fix bugs with wrong catalogue of plugins
Remove trailing whitespaces
Moving *Test classes and add generation
Returning tests to their previous place. Fixing error in tarantool_connection, that prevernts reconnection. Fixing bug in cas.test
Moving extra call code to admin_connection
Merge branch 'tt-box-luafy'
Merge branch 'tt-merge-servers'