add: better date handle #102
add: weather handle no node request (see: 508b005)
Merge branch 'bugfixes' of github.com:capensis/canopsis into bugfixes
fix: Time aggregation see #102
update: Externals
Merge branch 'bugfixes' into develop

Conflicts:
	sources/pyperfstore2/pyperfstore2/utils.py
	sources/webcore/opt/webcore/libexec/perfstore.py