Added CouchDB Installer
Adde Solr Installer tutorial
Relocated Solr installer to proper location
Added MongoDB tutorial
Merge pull request #1269 from pennij/working_thurs0502

NO STAGING! tweaks to match changes made in sandbox
Merge pull request #1271 from pennij/working_thurs0502

NO STAGING! fixes to match sandbox
Moving tutorials to chunks
updating screenshot
Merge pull request #1273 from pennij/working_thurs0502

NO STAGING! fixed broken images
Merge pull request #1274 from mollybostic/master_0430

no staging necessary -- already dropped to share -- updating screenshot
Merge pull request #1275 from pennij/working_thurs0502

NO STAGING! Fixed format of H1. already fixed in sandbox
Merge pull request #1276 from pennij/working_thurs0502

NO STAGING! fixed in umbraco
Merge pull request #1272 from blobaugh/master

Additional content for China
fixed encoding errors