Updating quickstart tutorial command
Update index.html
Update index.html
Update index.html
Update index.html
Added email list links.
Corrected typo.
Update git clone statements to use https instead of ssh.
GEOMESA-391 update quickstart for jars that need to be deployed
spelling error
Updating to geoserver 2.5.2
Updated to mention DC Data Wranglers meetup
added two gm-tools tutorials, updated homepage to remove dead links, updated titles on all pages, and updated snippets in tutorials
updating link
added ingest and getting GDELT data section
updating geomesa-tools-features with slf4j warning and new options for commands