update dockerfile format and download instructions
updates to install
rendered files updated
Merge pull request #10 from aweiteka/aweiteka_review

Updates to install/config/docker basics
updated basics and images
manual merge
major changes throughout.  adding database_files.tar and new systemctl dockerfiles, and changed the labs
adding new database files
fixed dockerfiles and changed geard lab
Minor typo in host num reference
Merge pull request #11 from codificat/imgbuildtypo

Minor typo in host num reference
fixed minor typos
merging commits

Merge branch 'master' of github.com:scollier/project-atomic-lab-end-to-end
fixed name of replica file
changed some steps for mongo repl set
fixed minor typo
Fix rhel7 image name
Merge pull request #12 from codificat/overview_text

Fix rhel7 image name
added example to mongodb lab
fixed link in atomic section