Upgrade client-python to new protocol for grakn 1.7 (#88)

## What is the goal of this PR?

Update client-python to the new 1.0.5 protocol with changed iteration style and local/remote concept API split.

The new protocol significantly reduces the number of round trips necessary to complete queries, down to 1 in most cases, from the previous solution which required some multiple of the number of results. This should alleviate slowdown problems caused by connecting to a remote Grakn instance. Iteration now follows a streaming principle and results are pre-filled with data the user would normally be expected to retrieve via the concept API.

The step to split local and remote concepts helps us move towards "value" results rather than results which need to embed the transaction they were retrieved with. The added requirement to convert these concepts back to remote concepts should also make it clear to the user which methods require additional RPCs (where it wasn't clear beforehand that ALL methods required additional RPCs).

## What are the changes implemented in this PR?

* Implement local and remote concepts.
* Use local concept for conceptmap answers.
* Implement new iteration for queries, get_attributes_by_value and all iterating concept methods

Author: Adam Mitchell

.gitignore

@@ -3,3 +3,4 @@
 bazel-*
 __pycache__
 **.pyc
+venv

VERSION

@@ -1 +1 @@
-1.6.1
+1.7.0

WORKSPACE

@@ -91,21 +91,22 @@ com_github_grpc_grpc_deps()
 # Load Grakn Core dependencies #
 ################################
 
+
 load("@graknlabs_grakn_core//dependencies/graknlabs:dependencies.bzl",
-     "graknlabs_graql", "graknlabs_common", "graknlabs_client_java", "graknlabs_console", "graknlabs_benchmark")
+     "graknlabs_graql", "graknlabs_common", "graknlabs_client_java", "graknlabs_console", "graknlabs_grabl_tracing")
 graknlabs_graql()
 graknlabs_common()
 graknlabs_client_java()
 graknlabs_console()
-graknlabs_benchmark()
+graknlabs_grabl_tracing()
 
 load("@graknlabs_grakn_core//dependencies/maven:dependencies.bzl",
 graknlabs_grakn_core_maven_dependencies = "maven_dependencies")
 graknlabs_grakn_core_maven_dependencies()
 
-load("@graknlabs_benchmark//dependencies/maven:dependencies.bzl",
-graknlabs_benchmark_maven_dependencies = "maven_dependencies")
-graknlabs_benchmark_maven_dependencies()
+load("@graknlabs_grabl_tracing//dependencies/maven:dependencies.bzl",
+graknlabs_grabl_tracing_maven_dependencies = "maven_dependencies")
+graknlabs_grabl_tracing_maven_dependencies()
 
 # Load Graql dependencies for Grakn Core
 

dependencies/graknlabs/dependencies.bzl

@@ -28,12 +28,12 @@ def graknlabs_grakn_core():
     git_repository(
         name = "graknlabs_grakn_core",
         remote = "https://github.com/graknlabs/grakn",
-        tag = "1.6.2" # sync-marker: do not remove this comment, this is used for sync-dependencies by @graknlabs_grakn_core
+        commit = "fda48ff1557e674b061c2df135fe04634110c42f" # sync-marker: do not remove this comment, this is used for sync-dependencies by @graknlabs_grakn_core
     )
 
 def graknlabs_protocol():
     git_repository(
         name = "graknlabs_protocol",
         remote = "https://github.com/graknlabs/protocol",
-        tag = "1.0.4" # sync-marker: do not remove this comment, this is used for sync-dependencies by @graknlabs_protocol
+        commit = "e608f85401fc3eee3f6fe631748378246eaacc55" # sync-marker: do not remove this comment, this is used for sync-dependencies by @graknlabs_protocol
     )