OPAL-2190: Support categorical variables of valueType boolean
OPAL-2194 - used MongoDB service to do a direct query rather than a costly iteration
Merge pull request #414 from kazoompa/bug-OPAL-2194

OPAL-2194 - used MongoDB service to do a direct query rather than a costly iteration
OPAL-2190: use of foreach
Merge pull request #413 from emorency/OPAL-2190-crosstab

OPAL-2190: Support categorical variables of valueType boolean
Layout clean-up
Values filter layout reviewed.
Values display options layout reviewed.
Some layout fixes.
OPAL-2222 - modified existing variabes search services to include facets along the query.
Merge pull request #415 from kazoompa/feature-OPAL-2222

OPAL-2222 - modified existing variabes search services to include facets along the query.
OPAL-2190: fix for double-quoted datasource and table names
Crosstab style reviewed.
Merge pull request #416 from emorency/OPAL-2190-crosstab

OPAL-2190: fix for double-quoted datasource and table names
OPAL-2221 - made sure the attribute array is not null and attribute has namesapces
Merge pull request #417 from kazoompa/bug-OPAL-2221

OPAL-2221 - made sure the attribute array is not null and attribute has namesapces
Project page style
Flatly style applied
OPAL-2197 - clean the path tab data only when the projects have changed and path param is NULL
Merge pull request #418 from kazoompa/bug-OPAL-2197

OPAL-2197 - clean the path tab data only when the projects have changed and path param is NULL