Update travis to include tests

Add Unit Test - Fixes #140

-Added Sinon, Chai, Mocha, NYC, Enzyme, React-Test-Utils and JSDom
-Added Unit test for `ace.jsx`...

Allow dynamically changing the keyboard handler

Allow users to override styles

Delete babel dep

add property "focus"

babel@6 doesn't do anything.

Avoid passing unknown options to Ace

Add markers and annotations

Preserve cursor position on `setValue`

Apply className prop directly to editor instance

There is an error in the last version of 'react-ace': it is impossible
to change classes applied...

Check if this.editor is defined inside componentWillReceiveProps

implement onScroll props

Revert "Initialize ace editor with a dom node reference instead of an element id"

Initialize ace editor with a dom node reference instead of an element id

Conflicts:
package.json

Babel6 & React 15 support

Fixes #81 memory leak Web Worker by terminating it in componentWillUn…

add `enableBasicAutocompletion` and `enableLiveAutocompletion`

This removes the need to give each instance of react-ace a unique id
while also eliminates issue...

This also removes some duplication on the assignment of the editor
options.

Fixes issue #81

Allows you to set any other editor options in an object, like
editorProps.

update wrapMode if wrapEnabled prop changes

Added the option `minLines`

install eslint and fix linting errors

Make 'Available Props' as a h4 heading

Fixed titles in README.md

update brace to 0.7.0

use es2015 and react 0.14

call ace editor api only on props change

Call ace editor api only on props change, it will boost performance.

New property wrapEnabled

remove call ace.edit on every time receive props

should not onLoad multiple times

editor.getValue should put into if block

Add prop for keyboardHandler

fix prop key typo: showPrintMargin