Issue #409: Edit "Personal Cache Note" and copy from it

https://github.com/cgeo/c-geo-opensource/issues/issue/409
Update main/res/values/strings.xml

#1957
and small correction from merging of release branch
Fixes #2019, live map disables after rotate

The map mode was not yet part of the saved instance state.
Merge pull request #2020 from Lineflyer/master

Change log update and correction
Update of swedish translation
Merge pull request #2023 from YraFyra/master

Update of swedish translation
Change of URLs used to 'Open in Browser'
Possible translation
Revise german translation and make constant name more precise.
Merge remote-tracking branch 'YraFyra/newUrl'
#2024: change URLs to contain duplicate backslash

* so they are not catched by c:geo again
Merge pull request #2028 from pilhuhn/origin/refs/heads/gh-2027

Possible translation for GH-2027
refactoring: move static maps check API to cache
GH_996 use the <plurals> mechanism
Prevent a NPE if cache and waypoint are null.
Add the pluralization for -cs that I forgot
The variable 'search' can be null if the app is offline and the user e.g. calls "nearby caches" from the main screen.
Merge pull request #2037 from pilhuhn/origin/refs/heads/offline-NPE

Crash with NPE when the handset is offline
Update main/res/values/strings.xml

#2019
#2037
#2024
Merge pull request #2051 from Lineflyer/master

Change log update