MainActivity Code Inspection and cleanup

Remove warnings from Code Inspection.
Collapse calls A->B->C to A->B.
Use onPause/onResume to resume and pause the Scan Service.
About Fragment Code Inspection and cleanup

Fix text cut off when system font set to large
Fix press highlight of Learn More
Remove Inspection warnings
Update with XML format
Merge branch 'master' of https://github.com/google/physical-web into MainActivity-Cleanup

Conflicts:

android/PhysicalWeb/app/src/main/java/physical_web/org/physicalweb/MainA
ctivity.java
Merge pull request #71 from schilit/MainActivity-Cleanup

MainActivity Code Inspection and cleanup.
Looks good to me. Thanks!
Merging.
Merge pull request #73 from schilit/About-Inspection

About Fragment Code Inspection and cleanup.
Looks good to me. Thank you!
Merging.
Updated iml file to match the preferred sdk.
Rename DeviceDiscoveryService

Rename to UriBeaconDiscoveryService
Merge pull request #75 from matthewsibigtroth/updating_iml_file

Updated iml file to match the preferred sdk.
Merge pull request #76 from schilit/Rename-BeaconDiscoveryService

Rename DeviceDiscoveryService.
LGTM.
Merging.
synced version file