Update pyproject.toml and README (bluesky#34)

* looking at bluesky master

* Improve first paragraph of README

README.rst

@@ -1,13 +1,20 @@
-***********
 Ophyd Async
-***********
+===========
 
 |build_status| |coverage| |pypi_version| |license|
 
-ophyd-async is a Python library for asynchronously interfacing with hardware,
-building upon the logic of `Ophyd`_. It is intended to be used as an
-abstraction layer that enables experiment orchestration and data acquisition
-code to operate above the specifics of particular devices and control systems.
+Asynchronous device abstraction framework, building on `Ophyd`_.
+
+============== ==============================================================
+PyPI           ``pip install ophyd-async``
+Source code    https://github.com/bluesky/ophyd-async
+Documentation  https://blueskyproject.io/ophyd-async
+============== ==============================================================
+
+Python library for asynchronously interfacing with hardware, intended to 
+be used as an abstraction layer that enables experiment orchestration and data 
+acquisition code to operate above the specifics of particular devices and control
+systems.
 
 Both ophyd and ophyd-async are typically used with the `Bluesky Run Engine`_ for 
 experiment orchestration and data acquisition. However, these libraries are
@@ -25,11 +32,6 @@ also. In addition to the abstractions provided by ophyd, ophyd-async allows:
   upon complex class hierarchies
 
 NOTE: ophyd-async is included on a provisional basis until the v1.0 release.
-============== ==============================================================
-PyPI           ``pip install ophyd-async``
-Source code    https://github.com/bluesky/ophyd-async
-Documentation  https://blueskyproject.io/ophyd-async
-============== ==============================================================
 
 See the tutorials for usage examples.
 

pyproject.toml

@@ -18,7 +18,7 @@ dependencies = [
     "numpy",
     "packaging",
     "pint",
-    "bluesky @ git+https://github.com/coretl/bluesky.git@async-stage",
+    "bluesky @ git+https://github.com/bluesky/bluesky.git",
     "event-model",
     "p4p==4.1.11a2",
 ] # Add project dependencies here, e.g. ["click", "numpy"]
@@ -36,7 +36,6 @@ dev = [
     "ophyd_async[ca]",
     "attrs>=19.3.0",
     "black",
-    "bluesky @ git+https://github.com/coretl/bluesky.git@async-stage",
     "caproto[standard] >=0.4.2rc1",
     "pytest-codecov",
     "databroker>=1.0.0b1",