Fixes to the plant profitability table

  * Fixed the merit order position column.
  * Made consistent with the normal table styles.
  * Prevented wrapping of technology name.
Added new dashboard item with alternative CO2 calculation taking only local emissions into account (not for imported electricity)
Add local CO2 reduction dashboard record

* Added the Constraint record to show the local CO2 reduction item.
* Tweaked some CoffeeScript to reduce duplication.
* Updated the I18n JS.
Create _local_co2_reduction.html.haml
Merge pull request #1838 from quintel/new_co2_dashboard_item

New co2 dashboard item
Added translations
Prevent long chart titles from hiding the controls
Renamed bio-residues for firing to woody biomass.
Migrate bio-residues DB entries to "woody_biomass"
Merge pull request #1842 from quintel/woody_biomass

Renamed bio-residues for firing to woody biomass.