small bubble UI adjustments

only display edit button if marker is poi, ref #32

fix times

use own bubble layout for popups [1/?], ref #32

remove debug logging

switch between °C and °F in current weather display, ref #43

switch between °C and °F in settings, ref #43

add (dummy) option to switch temperature units and use unicodes instead of °F/°C

add toast info to elevation profile data points

don't convert to ms

fix typo

don't use hardcoded column index

add option to discard hike record

animation is in ms not s <.<

show osm attribution in hike detail view and margin adjustments

limit elevation profile to min and max altitude and animate it!

replace graphview lib with a more flexible.

display elevation profile in hike detail view, fix #46

add graphview for elevation profile

add difficulty indicator

add flooring and elevation profile to hike (and display), ref #12

add missing translation

hike display and detail improvements, ref #12

display (currently all) hikes in dialog

add hike points to db

reorder poi handling to enable hikes

use gpId to get associated POI of an image

remove finished todo

add hike menu, currently only recording works, ref #12

various code improvements and fixes