Add percision option to terms panel: set up rounding percision for pie chart percents
Add ability to set field used in terms facet: single field with 'field', array of fields with 'fields' or computed field with 'script_field'.
Dashboard menu size increased, indexes partitioning default bu hour.
Merge branch 'terms-facet-field-mode' into working
Merge branch 'pie-chart-percision' into working