remove beta warning

StartHere.ipynb

@@ -6,9 +6,9 @@
    "source": [
     "# Tutorials, Examples, and Demos\n",
     "\n",
-    "[Jupyter](http://jupyter.org/) and [BeakerX](http://beakerx.com/) are based on the idea of the lab notebook, brought to life in your web browser. Each notebook is a place for recording the written ideas, data, images, spreadsheets, diagrams, equations, and especially code, that one produces in the course of research. You can analyze, visualize, and document data and science, using multiple programming languages.  BeakerX is an extension of Jupyter, including kernels for the JVM langauges, autotranslation between languages ([prototype](https://github.com/twosigma/beakerx/issues/5039)), interactive plots, tables, and more.\n",
+    "[Jupyter](http://jupyter.org/) and [BeakerX](http://beakerx.com/) are based on the idea of the lab notebook, brought to life in your web browser. Each notebook is a place for recording the written ideas, data, images, spreadsheets, diagrams, equations, and especially code, that one produces in the course of research. You can analyze, visualize, and document data and science, using multiple programming languages.  BeakerX is an extension of Jupyter, including kernels for the JVM langauges, autotranslation between languages ([prototype](https://github.com/twosigma/beakerx/issues/5039)), interactive plots, tables, Spark, and more.\n",
     "\n",
-    "This is a beta release. There are known issues, please see our [issue tracker](https://github.com/twosigma/beakerx/issues). Your [email feedback](mailto:beakerx-feedback@twosigma.com) is most welcome.\n",
+    "Please see our [issue tracker](https://github.com/twosigma/beakerx/issues) for documentation of the known bugs and plans for future development. Your [email feedback](mailto:beakerx-feedback@twosigma.com) is most welcome.\n",
     "\n",
     "[The Jupyter documentation](http://jupyter-notebook.readthedocs.io/en/latest/examples/Notebook/Running%20Code.html) covers interacting with code cells, markdown, and notebooks. The tutorials below show the features of the BeakerX extension.\n",
     "\n",
@@ -86,7 +86,7 @@
    "name": "python",
    "nbconvert_exporter": "python",
    "pygments_lexer": "ipython3",
-   "version": "3.6.6"
+   "version": "3.6.5"
   },
   "toc": {
    "base_numbering": 1,