Merge branch 'release/0.6.4.0' into develop
prepare for next development cycle
#28 custom notes

download custom notes from server
#6 add local log entries

view is ready
#6 add local log entries

model and controller are ready for adding and displaying myLogs along with cache recent logs
#6 add local log entries

listing myLogs
#6 add local log entries

deleting single myLogs
Merge branch 'feature/#6_add_local_log_entries' into develop
#13 delete single cache

cache code and name had to be copied to myLog so they will be available even after that cache is removed
#53 in database, change (unsupported) boolean data type to integer
#23 filter found caches from list
#52 update help
fix stupid mistake in #23

we want to list caches that have status different than 'found';
#28 custom notes

adding custom notes the same way as adding logbook entries
#50 add log template to be setup in settings
#9 Synchronize logs entries
make text in empty lists centered- this looks much better
construct link using stringBuilder
rewrite cache updating mechanism- this should be more comfortable to use
#51 update help