Refs matomo-org#1700

Fix notice when there is no data
Delete sum_time_generation column from output + Fix tests. This data point can be obtained by AVG_TIME * HITS_WITH_TIME so not so useful in output

Adding tag for 1.11.1

1.11 FTW

Fixing wrong encoding on update screen

fixing one more semicolon missing

Testing first tag on git 1.11-b1

1.10.1 fixes a few non critical bug reported by early users of Piwik …

…1.10

git-svn-id: http://dev.piwik.org/svn/trunk@7763 59fd770c-687e-43c8-a1e3-f5a4ff64c105