feat(connector): support for S3 as datasource (#280)

* feat(connector):  support for S3 as datasource

* build(ci):  faster build temp changes

* build(ci):  faster build temp changes

* Revert "build(ci):  faster build temp changes"

This reverts commit 1b324da.

* Revert "build(ci):  faster build temp changes"

This reverts commit b29cb8d.

* build(pipfile): remove superset dependency

.vscode/launch.json

@@ -52,7 +52,8 @@
                 "--no-reload",
                 "--host=0.0.0.0"
             ],
-            "jinja": true
+            "jinja": true,
+            "justMyCode": false
         },
         {
             "name": "Python: Current File (External Terminal)",

Pipfile

@@ -5,7 +5,7 @@ name = "pypi"
 
 [packages]
 superset = {editable = true,path = "."}
-botocore = "==1.7.48"
+botocore = ">=1.15.3"
 "psycopg2-binary" = "==2.7.5"
 Unidecode = "==1.0.22"
 tox = "==3.1.2"
@@ -113,7 +113,7 @@ pyjwt = "==1.7.1"
 gevent = "==1.4.0"
 werkzeug = "==0.14.1"
 docutils = "==0.14"
-
+PyAthena = ">1.2.0"
 
 [dev-packages]
 "autopep8" = "==1.3.5"