multiple notifications collapsed into summary

Discussions ongoing regarding the specifics of user notification
improved device range sorting
Merge pull request #212 from matthewsibigtroth/summary_notification

multiple notifications collapsed into summary
Create mDNS_Support.md

First draft of mDNS support
Small updates to text
Added link to mDNS documentation
Updated gradle files
Merge pull request #214 from g-ortuno/update-plugins

Updated gradle files
Updated uribeacon
Implemented long term cache: returns immediately cached response and fetch in the background the updated content
Fix broken link
Use generic listview adapter

Implemented a basic extended BaseAdapter to allow for more flexibility
when controlling ui update timing.
Merge pull request #215 from matthewsibigtroth/generic_list_view_adapter

Use generic listview adapter
Merge pull request #216 from dinhviethoa/long-term-cache

Implemented long term cache
Merge remote-tracking branch 'upstream/master' into ranging-about