renamed postgre.py into postgres.py, removed starts/ends with overriding in PG adapter

gluon/dal/adapters/__init__.py

@@ -1,7 +1,7 @@
 # -*- coding: utf-8 -*-
 from .sqlite import SQLiteAdapter, SpatiaLiteAdapter, JDBCSQLiteAdapter
 from .mysql import MySQLAdapter
-from .postgre import PostgreSQLAdapter, NewPostgreSQLAdapter, JDBCPostgreSQLAdapter
+from .postgres import PostgreSQLAdapter, NewPostgreSQLAdapter, JDBCPostgreSQLAdapter
 from .oracle import OracleAdapter
 from .mssql import MSSQLAdapter, MSSQL2Adapter, MSSQL3Adapter, MSSQL4Adapter, \
     VerticaAdapter, SybaseAdapter

gluon/dal/adapters/postgres.py

@@ -211,14 +211,6 @@ class PostgreSQLAdapter(BaseAdapter):
         return '(%s ~ %s)' % (self.expand(first),
                               self.expand(second,'string'))
 
-    def STARTSWITH(self,first,second):
-        return '(%s LIKE %s)' % (self.expand(first),
-                                  self.expand(second+'%','string'))
-
-    def ENDSWITH(self,first,second):
-        return '(%s LIKE %s)' % (self.expand(first),
-                                  self.expand('%'+second,'string'))
-
     # GIS functions
 
     def ST_ASGEOJSON(self, first, second):