Expanded examples, better readme, travis

.travis.yml

@@ -1,19 +1,14 @@
 language: julia
-os:
-  - linux
+sudo: required
+dist: trusty
 julia:
   - 0.6
-  - nightly
-matrix:
-  allow_failures:
-    - julia: nightly
 notifications:
   email: false
 before_install:
-  # - sudo apt-get -qq update
-  - sudo apt-get install git
-script:
-  - if [[ -a .git/shallow ]]; then git fetch --unshallow; fi
-  - julia --check-bounds=yes -e 'Pkg.clone(pwd()); Pkg.test("ExprRules"; coverage=true)'
+  - sudo apt-get -qq update
+#script: # use the default script section which is equivalent to the following
+#  - if [[ -a .git/shallow ]]; then git fetch --unshallow; fi
+#  - julia --check-bounds=yes -e 'Pkg.clone(pwd()); Pkg.build("ExprRules"); Pkg.test("ExprRules"; coverage=true)'
 after_success:
   - julia -e 'cd(Pkg.dir("ExprRules")); Pkg.add("Coverage"); using Coverage; Coveralls.submit(Coveralls.process_folder())'

README.md

@@ -1,6 +1,15 @@
 # ExprRules.jl
-Grammar Trees that generate Julia Expressions.
+
+Base functions for the generation and optimization of Julia expressions derived from a grammar.
+
+## Usage
 
 Please see the [example notebook](http://nbviewer.ipython.org/github/sisl/ExprRules.jl/blob/master/examples/grammar.ipynb).
 
+## Maintainers:
+
+* Ritchie Lee, ritchie.lee@sv.cmu.edu
+* Tim Wheeler, tawheeler@stanford.edu
+* Mykel Kochenderfer, mykel@stanford.edu
+
 [![Build Status](https://travis-ci.org/sisl/ExprRules.jl.svg?branch=master)](https://travis-ci.org/sisl/ExprRules.jl) [![Coverage Status](https://coveralls.io/repos/sisl/ExprRules.jl/badge.svg?branch=master&service=github)](https://coveralls.io/github/sisl/ExprRules.jl?branch=master)