Merge pull request #358 from rattoma/master

parallel bug fix
reporting: @graph: uistack fix for octave & move zeroline writing up
reporting: @graph: if shading, move to bottom
reporting: @graph: use green shading which is easier to see because 'FaceAlpha' doesn't work on octave (at least on os x)
removed changes linked with transforming variables to avoid log or
power of negative numbers
reporting: @graph: ensure xlim is not larger than actual xlimits
reporting: @graph: legend uses tex
reporting: @graph: keep line handles for use with legend
Clarify terminology used for filtered variables

Closes #317
Merge pull request #360 from JohannesPfeifer/master

Clarification of terminology of filtered variables
reporting: allow for manual height adjustment of sections
reporting: comment cleanup
reporting: add more info to stdout during processing/writing
reporting: @report: add compile method
1) Allow threshold reduced form papping also for posterior samples;
2) Improve the notation of info saved of  threshold reduced form mapping which was obscure.