Add log_file config. Now log path of skyline is log_dir with log_file, no other hardcode path. Change-Id: Ieb1fd567e02110238568840fe3641770def0994d
1. move skyline_apiserver out of libs 2. remove libs folder 3. remove old skyline folder 4. adjust zull, devstack and dockerfile Change-Id: I27a4babd3df077d1dfc7555f67a6ea618d4b2966