Docs: Adding general OTA content, new images
      Updating with comments from google doc (tbao and xi zhao)
      Adding reference to options for ota_from_target_files
      Adding feedback changes
      Adding 2nd set of feedback changes
      Adding 3rd set of feedback changes
      Adding 4th set of feedback changes
      Breaking content into multiple files, adding block ota, adjusting toc
      Renamed .jd files, update TOC and document links
      Adding in dougz's feedback on recovery images, split out 5x vs 4x and earlier
      Minor text tweaks
      Fixing merge conflict
      Adding in dougz's comment
      Setting 80 column width in all files
      Adding feedback, moving up one level
      Adding ota mailing list, cropped localized text image, teaser blub on tech/index, mailing list to community page (includes several edits to meet 80 character column limit)
      Update mailing list verbiage, added feedback to builtin functions from tbao (in google doc)

Bug: 17884100

Change-Id: If162f17180853ef7e0b252f22eb360fb99b58f15
23 files changed