Revert "Correct ASS focal length to width*4/3"

This reverts commit 4fa2a01e1e2dea830d18fffd80f2fc3702e546ff.
Merge branch 'dev-bt709'
Fix mistype

... in commit a145947772363f95948f84eac9b4f39f5f1429c9
Handle the situation that rotation makes object behind the camera
Round the result in ConvertColor
Add logging.basicConfig
Replace round with %.0f
Add Aspect Ratio header
Fix 238d76d1dae4143bff2c43dfa44d850e69e524dc
Seems that adding comments causes unreadable ASS script
PEP8
Add issue-9-test.xml
Add the URL to upstream
Split --lifetime into --duration-marquee and --duration-still
Merge branch 'dev-separate-duration' into py2

Conflicts:
	danmaku2ass.py