Postgres: Use extractTableDetails with quoteTable

* tableName objects have a "tableName" property, not a "table"
  property
* addColumnQuery was broken by commit 3559ad, only on the
  mssql_can_remove_column_with_default branch

lib/dialects/abstract/query-generator.js

@@ -24,7 +24,7 @@ var QueryGenerator = {
     tableName = tableName || {};
     return {
       schema: tableName.schema || options.schema || 'public',
-      tableName: _.isPlainObject(tableName) ? tableName.table : tableName,
+      tableName: _.isPlainObject(tableName) ? tableName.tableName : tableName,
       delimiter: tableName.delimiter || options.delimiter || '.'
     };
   },

lib/dialects/postgres/query-generator.js

@@ -193,7 +193,7 @@ var QueryGenerator = {
     });
 
     return Utils._.template(query)({
-      table: this.quoteTable(table),
+      table: this.quoteTable(this.extractTableDetails(table)),
       attribute: attribute
     });
   },
@@ -201,7 +201,7 @@ var QueryGenerator = {
   removeColumnQuery: function(tableName, attributeName) {
     var query = 'ALTER TABLE <%= tableName %> DROP COLUMN <%= attributeName %>;';
     return Utils._.template(query)({
-      tableName: this.quoteTable(tableName),
+      tableName: this.quoteTable(this.extractTableDetails(tableName)),
       attributeName: this.quoteIdentifier(attributeName)
     });
   },