Merge pull request #76 from hfanieng/master

completed german translation
Initial checkin of chart save function
Update zwave network diagram - references to self/me
Updates to SaveGraph
Implement a startup timer - no errors for first 30 seconds (#77)
Merge branch 'master' into chart-save

* master:
  Implement a startup timer - no errors for first 30 seconds (#77)
Updates to chart save
Updates to saved charts
Fix timeout error with large chart requests.
Save/restore charts
Initial full testing of chart save/restore
Subsampled large data sets to better handle large graphs
Updated JAR files to support chart save/restore
Internationalisation of graph save window
Update HABmin JAR to implement chart save/restore
Update README.md
Update README.md
Update ‘Save Graph’ window text strings.
Updates to graph save options
Updates to active groups (#74)