only persist value in sharedprefs if positive button

new icons for biota dialog

simplified code

fix another possible AIOOB

add full size image to biota, ref #50

endangered fullscreen image UI improvements, ref #14

add image to biota directly from camera, ref #50

typo..

move fullscreen image dialog to its own class (with pinch/zoom support)

store resized image in db (hopefully avoid CursorWindow exc)

simplify code

display endangered image in separate (zoomable) imageview

avoid NPE

fix minor polygon overlay bugs

add distance seekbar to add biota dialog

display radial overlay at biota marker position

minor bubble UI improvement

show endangered species on biota marker click, ref #14

add biota and endangered classes and db tables

minor bubble UI improvement

add license

biota dialog UI improvements and possibility to add images to entries, ref #14

add basic "add biota" dialog, ref #14

close infoWindow if another one is opened, ref #32

use AlarmManager and PendingIntent for location service, fix #49

moved locationlistener to a service, ref #49

update weatherHandler after activity recreation

fix possible NPE

replace tablelayout with linearlayout in drawer item layouts, ref #47

don't show group indicators, ref #47