Fixes #3002 - Tweet not tweeted

Twitter api v1.0 seems to be deprecated for tweeting (Auth worked fine). Now using v1.1.
Merge branch 'curr_release' into currdev

Conflicts:
	main/src/cgeo/geocaching/twitter/Twitter.java
refactoring: cleanup
fix #2994: have [NUMBER] template respect cache source
Prepare addition of OKAPI for oc.pl
Merge branch 'master' of github.com:cgeo/cgeo