dynamicproxy: Don't specify text/html for gzip

This is on even if we do not specify it, and specifying it
causes a warning.

Change-Id: I33eb229b008fd7d60247c1b2161b264b24e2f757
Tools: Install git-svn

Request from phe on IRC.  scfc_de has already installed on -login
and -dev.

Change-Id: I351b9c6345ac3a50f83616be2d05d0e5aee9d31c
Merge "dynamicproxy: Don't specify text/html for gzip" into production
Merge "Tools: Install git-svn" into production