First try - axis labels in base plot.
Set data unit from reference case.
Merge branch 'master' into ERT_559_plot_units
Added axis labels on histograms.
Function for parsing eclipse data file for unit label.
Merge branch 'master' into ERT_559_plot_units
Functions for getting ECLIPSE depth and pressure units.
Python wrapper for ecl_config get_depth_unit and get_pressure_unit
Allow x and y units in plot-data.
Fix - initalize to empty.
Labels on RFT plots.
Merge branch 'master' of https://github.com/Ensembles/ert into ERT_559_plot_units

Conflicts:
	devel/python/python/ert_gui/tools/plot/data/plot_data_fetcher.py
	devel/python/python/ert_gui/tools/plot/plot_panel.py
	devel/share/gui/plots/scripts/canvas_plot.js
Revert accidental delete.
Updated setting of units after refactoring of plot-data-fetcher.
Merge branch 'master' of https://github.com/Ensembles/ert into ERT_559_plot_units
Update of JS code for axis labels after discussion with Jean-Paul.
Merge branch 'master' into ERT_559_plot_units
Merge branch 'master' into ERT_559_plot_units
Set unit to Unitless if the ECLIPSE data type is unitless.
Updated after code review. Store unit instead of label in dimension objects, and update units through the dimension objects.