removing jinja2 submodule due to version incompatabilities
adding jinja2 from chromium tree based on 89cfb59
removing markupsafe submodule due to incompatibilities
adding markupsafe from chromium tree based on 89cfb59
adjusting DEPTH paths to fix blink_platform includes
building platform/blink_platform.gyp:blink_platform

- now generating the following gen/blink files

```
gen/blink
├── core
│   ├── InspectorBackendDispatcher.cpp
│   ├── InspectorBackendDispatcher.h
│   ├── InspectorFrontend.cpp
│   ├── InspectorFrontend.h
│   ├── InspectorProtocolVersion.h
│   ├── InspectorTypeBuilder.cpp
│   └── InspectorTypeBuilder.h
└── platform
    ├── RuntimeEnabledFeatures.cpp
        └── RuntimeEnabledFeatures.h
```