Merge branch 'docs' into 'master'

.gitignore

README.md

documentation/.gitignore

documentation/operator-guide/Makefile

documentation/operator-guide/conf.py

documentation/operator-guide/configuration.rst

documentation/operator-guide/index.rst

documentation/operator-guide/ingestion.rst

documentation/operator-guide/initialization.rst

documentation/operator-guide/intro.rst

documentation/operator-guide/make.bat

documentation/operator-guide/management.rst

documentation/operator-guide/setup.rst

documentation/user-guide/Makefile

documentation/user-guide/conf.py

documentation/user-guide/downloading.rst

documentation/user-guide/index.rst

documentation/user-guide/intro.rst

documentation/user-guide/make.bat

documentation/user-guide/sample-requests.rst