Fixed issue #12 - make scan delay a user setting.
Merge branch 'feature-delay-setting' into develop
Fixed issue #10 - session column human readable.
Merge branch 'feature-session-cols' into develop
Fixed issue #9 - devices not shown when not tracking.
Merge branch 'bugfix-issue-9' into develop
Fixed issue #16 - tracking list shows devices only from last scan.
Merge branch 'bugfix-issue-16' into develop
Fixed issue #17 - no longer crashes on session tab.
Merge branch 'bugfix-issue-17' into develop
Upgraded database: added new signal strength column.
rssi is persisted to database.
Fixed issue #8 - signal strength information is shown and recorded during tracking.
Merge branch 'feature-signal-strength' into develop
Fixed issue #20 - default preference values are loaded at first startup.
Merge branch 'bugfix-issue-20' into develop
Fixed issue #23 - device list empty message is now correct.
Merge branch 'bugfix-issue-23' into develop
Bumped version number to 1.2
Merge branch 'release-1.2'