Cover empty intervals in complexity analysis

Very small release ranges (bugfix or formal releases with just
a tag) may contain no clusters. Handle this case properly.

Signed-off-by: Wolfgang Mauerer <wolfgang.mauerer@siemens.com>
Skip sloccount analysis when the analysis pass is not configured

When no sloccount data are collected, there's nothing that
can be analysed.

Signed-off-by: Wolfgang Mauerer <wolfgang.mauerer@siemens.com>
Improve complexity analysis console output

Give less, but more useful information. Restrict large
volume outputs to log level devinfo.

Signed-off-by: Wolfgang Mauerer <wolfgang.mauerer@siemens.com>
Fix ML time series data frame creation

Plot labels are not stored with the data as such, but
in the plot description. Fix construction of the respective
data frame.

Signed-off-by: Wolfgang Mauerer <wolfgang.mauerer@siemens.com>
Vagrantfile: initial version with basic setup

Signed-off-by: Roger Meier <roger@bufferoverflow.ch>
Vagrantfile: setup db, recent node.js, forward 8081

Signed-off-by: Roger Meier <roger@bufferoverflow.ch>
packages.R: add shiny-gridster

Signed-off-by: Roger Meier <roger@bufferoverflow.ch>
add mailing list analysis dependencies for R

Signed-off-by: Roger Meier <roger@bufferoverflow.ch>
add missing dependencies
- Debian Package: graphviz
- R Packages: rjson, lsa

Signed-off-by: Roger Meier <roger@bufferoverflow.ch>
Merge pull request #2 from bufferoverflow/vagrant

Vagrantfile: initial version with basic setup
Trivial README fixes

Make sure the schema and DB user name is used consistently,
and add one missing closing paren.

Reported-by: Gottfried Hoffmann <gottfried@blenderdiplom.com>
Signed-off-by: Wolfgang Mauerer <wm@linux0kernel.net>
Inform about additional development packages required for Ubuntu 14.04

Bleeding-edge Ubuntu requires two additional development
packages as prerequisite for the R installation; document
this.

Reported-by: Gottfried Hoffmann <gottfried@blenderdiplom.com>
Signed-off-by: Wolfgang Mauerer <wm@linux-kernel.net>
Merge remote-tracking branch 'origin/vagrant'

Signed-off-by: Wolfgang Mauerer <wm@linux-kernel.net>