use github license template; doc tweaks

Author: belm0

LICENSE

@@ -1,23 +1,21 @@
-Copyright (c) 2019 John Belmonte
-
+MIT License
 
-The MIT License (MIT)
+Copyright (c) 2019 John Belmonte
 
-Permission is hereby granted, free of charge, to any person obtaining
-a copy of this software and associated documentation files (the
-"Software"), to deal in the Software without restriction, including
-without limitation the rights to use, copy, modify, merge, publish,
-distribute, sublicense, and/or sell copies of the Software, and to
-permit persons to whom the Software is furnished to do so, subject to
-the following conditions:
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
 
-The above copyright notice and this permission notice shall be
-included in all copies or substantial portions of the Software.
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
 
-THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
-EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
-MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
-NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
-LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
-OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
-WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.

README.md

@@ -1,6 +1,6 @@
-[![CircleCiStatus](https://img.shields.io/circleci/build/github/belm0/perf-timer)](https://circleci.com/gh/belm0/perf-timer)
-[![PyPiVersion](https://img.shields.io/pypi/v/perf-timer.svg)](https://pypi.org/project/perf-timer)
-[![PyPiPyVersions](https://img.shields.io/pypi/pyversions/perf-timer.svg)](https://pypi.org/project/perf-timer)
+[![Build status](https://img.shields.io/circleci/build/github/belm0/perf-timer)](https://circleci.com/gh/belm0/perf-timer)
+[![Package version](https://img.shields.io/pypi/v/perf-timer.svg)](https://pypi.org/project/perf-timer)
+[![Supported Python versions](https://img.shields.io/pypi/pyversions/perf-timer.svg)](https://pypi.org/project/perf-timer)
 
 # PerfTimer
 
@@ -47,7 +47,7 @@ Features of this library:
   pluggable logging and timer functions
   * **low overhead** (typically a few microseconds) - it means you can have
   instrumentation enabled on production code
-  * **async/await support** (Trio only) - first of it's kind!  Periods when a task is
+  * **async/await support** (Trio only) - first of its kind!  Periods when a task is
   is sleeping, blocked by I/O, etc. will not be counted.
   * (coming soon) **percentile durations** - e.g. find median and 90 percentile
   execution time of the instrumented code.  Implementated with a bounded-memory,