issue0005 refTask should not start downloader

1.should begin downloader when create task and ref task to downnloader
2.add task case

Change-Id: I4655b25b5e0980b3203a0adb1f134ea31967dc5d
issue0006: add debian

add debian && Makefile

Change-Id: I5bcf4b506a110e3ff9c44f32e64b2caec5238b19
Merge branch 'iceyer/issue0006-add-debian' into develop