Assigning random available port in IO/HTTP unit tests
Merge remote-tracking branch 'erjang/master'
Fiber.wrongPC() was incorrectly being called with invokestatic.

	modified:   src/kilim/analysis/MethodWeaver.java
Check content-length property before setting it.
	modified:   src/kilim/http/HttpResponse.java
Cosmetic fix to checking content length.
	modified:   src/kilim/http/HttpResponse.java
Merge branch 'master' of https://github.com/kilim/kilim
Undo wrongPC change 

now has correct one from kilim/master