Removed an unnecessary block of code.
Merge pull request #423 from jbobnar/master

Removed an unnecessary block of code.
Do not request refresh, if there is still more than 15% of live buffer available, before old data is being overridden.
Merge pull request #425 from jbobnar/master

Trend auto refresh bugfix in combination with BEAUtY or old archiver
Merge remote-tracking branch 'origin/master' into sns