complete overhaul of webtry work partition between jail and host

experimental/webtry/setup/continue_install

-#!/bin/bash
-#
-# Don't execute this script directly, instead it is copied into the webtry
-# user's directory and executed as the user webtry by the webtry_setup.sh
-# script.
-#
-# See the README file for detailed installation instructions.
-cd
-pwd
-
-# Install depot_tools.
-if [ -d depot_tools ]; then
-  (cd depot_tools && git pull);
-else
-  git clone https://chromium.googlesource.com/chromium/tools/depot_tools.git;
-fi
-export PATH=$PATH:$HOME/depot_tools
-
-# Install Go
-if [ -d go ]; then
-  echo Go already installed.
-else
-  wget https://go.googlecode.com/files/go1.2.1.linux-amd64.tar.gz
-  tar -xzf go1.2.1.linux-amd64.tar.gz
-fi
-export GOROOT=$HOME/go
-mkdir=$HOME/golib
-export GOPATH=$HOME/golib
-
-export PATH=$PATH:$GOROOT/bin
-
-mkdir /home/webtry/cache
-mkdir /home/webtry/cache/src
-mkdir /home/webtry/inout
-chmod 777 /home/webtry/inout
-
-# Sometimes you need to test patches on the server, to do that uncomment
-# the following commented out lines and update the PATCH env variable to the
-# name of the codereview to use.
-
-# rm -rf skia
-
-# Checkout the skia code and dependencies.
-mkdir skia
-cd skia
-gclient config --name . https://skia.googlesource.com/skia.git
-gclient sync
-git checkout master
-
-# PATCH=issue196723021_100001.diff
-# rm $PATCH
-# wget https://codereview.chromium.org/download/$PATCH
-# git apply $PATCH
-
-GYP_GENERATORS=ninja ./gyp_skia gyp/webtry.gyp gyp/most.gyp -Dskia_gpu=0
-ninja -C out/Release webtry
-
-cd experimental/webtry
-
-go get -d
-./build