initial creation
expose HTTP(80) port
start: removed getopts parsing from start script.

database config parameters can now be specified using env variables.
start: cleanup
install supervisor
configure supervisor to start apache2
configure supervisor to start mysqld
use cat inplace of tee
added DB_INIT env variable to enable database migration tasks
added DB_POOL env variable to specily the db connections pool count.
do not recursively apply chmod and chown on /redmine/files
install sudo
run commands with 'sudo -u www-data -H ' prefix when it makes sense
removed PassengerMaxRequests setting from apache2 config
added env variables to configure various passenger parameters
start: set default database name to redmine_production
start: use mysqladmin to wait for the server to start.
start: create the mysql database and grant permissions when the internal mysql server is used.
README: added Readme text.
README: fix references.