No longer capture decideHTTP errors
Merge branch 'fix/progress_decision' of https://github.com/readevalprint/exaproxy into readevalprint-fix/progress_decision

Conflicts:
	lib/exaproxy/reactor/redirector/icap.py
Merge branch 'readevalprint-fix/progress_decision'
Revert "Merge branch 'readevalprint-fix/progress_decision'"

This reverts commit 02c273ab00aee71908f2fa8e2698960c70751d7e, reversing
changes made to 67b78d30e363fdf8300a3ece6ab707fd95720226.