[CB-3820] confirmed: EnableViewportScale allows you to restrict what's already enabled
[CB-3820] confirmed: MediaPlaybackRequiresUserAction applies to audio & JS calls
[CB-3820] added example of viewport
[CB-3827] link new section from home page
[CB-3827] split support table into standalone section
[CB-3827] redirect links to support table
[CB-3849] reveal link to config.xml topic
[CB-3827] clarify Platform Support tbl is now on separate page
CB-4890: change plugins.xml to config.xml in android docs
[CB-3825] improve plugins section
[CB-3825] basic info about plugin.xml repo structure
[CB-3825] boilerplate & code indent in platform plugin guides
[CB-3825] globals; cleanup Android plugin text
[CB-3825] reorg advanced android plugin content
[CB-3825] modify/reorg iOS plugin content
[CB-3825] tighten up WP plugin content
[CB-3825] define plugins better
[CB-3825] link to plugman page for command-line plugin tools
[CB-3825] Use local plugman to validate plugin packages; minor edits
[CB-3825] suggest using plugman with default CLI app