fabfile, readme, install script changes after worldbank experience
use non-interactive jython install
fix couchdb-lucene download location
fix a sudo user in fabfile
fabfile: remove postgres flag that was renamed in 8.0
fabfile: move jython_home to setup_patath()
fabfile: server_port -> django_port
install.sh: couchdb 1.2.1 (1.2.0 was removed)
move env.db into setup_path()
fabfile: remove unnecessary pre-setup_path env.root in india()
fabfile: extract code_branch=master as a default
fabfile: rename postgres commands
add in-depth production install instructions
fabfile: add @task to pg commands
additional installation changes for wwb
Merge pull request #151 from dimagi/mwhite

install.sh, fabfile, documentation changes for world bank