YAQL version updated to 0.2.3

YAQL 0.2.3 contains one small change that would allow to
forbid usage of uninitialized local variables

Also removed YAQL function binding that is available in
YAQL 0.2.3 out of the box

Change-Id: I96f455e50add8666c4e65eb421bea5af57055485

murano/engine/system/yaql_functions.py

@@ -24,7 +24,6 @@ import types
 import jsonpatch
 import jsonpointer
 import yaql.context
-import yaql.functions.builtin as yaql_builtin
 
 import murano.common.config as cfg
 import murano.dsl.helpers as helpers
@@ -306,9 +305,6 @@ def register(context):
     context.register_function(_int, 'int')
     context.register_function(_patch, 'patch')
     context.register_function(_random_name, 'randomName')
-    # Temporary workaround as YAQL does not provide "where" function for
-    # dictionaries, and there is no easy way to implement it there.
-    context.register_function(yaql_builtin.dict_attribution, 'get')
     # Temporary workaround, these functions should be moved to YAQL
     context.register_function(_keys, 'keys')
     context.register_function(_values, 'values')

requirements.txt

@@ -32,5 +32,5 @@ oslo.config>=1.2.1
 oslo.messaging>=1.3.0
 
 # not listed in global requirements
-yaql>=0.2.2,<0.3
+yaql>=0.2.3,<0.3
 python-muranoclient>=0.5.2