Linting CLI tool & fixing its current style issues

Also minor .eslintrc change to be able to use `process.exit()`,
instead of having to `throw new Error()` to exit the process.

Add partials support to cli

Add instructions install on top #493

fix local install

Fix order section and grammatical

Fix the comments

Fix command line mustache

Updated eslint to version 1.6.0

http://greenkeeper.io/

Updated chai to version 3.3.0

Updated eslint to version 1.5.0

Use latest v2 release of npm as the just released v3 doesnt seem to be node v0.8 compliant atm.

And test on node v4 for obvious reasons.

Fix spelling error to "aforementioned"

Verbose hooks install

:v: colorified
https://github.com/janl/mustache.js/issues/462

:v: Add empty line between variables and loop, Change "executing" to "Installing", Add new line at the end of the last echo
https://github.com/janl/mustache.js/issues/462

:v: Removed trailing \n, echo changed for if
https://github.com/janl/mustache.js/issues/462

:v: added the word backup into the text.
https://github.com/janl/mustache.js/issues/462

Modified echo text
https://github.com/janl/mustache.js/issues/462

This fixes a small blooper introduced in a3f4339.
Error message thrown for invalid template type, should be equal on
the server and in the browser.

Clarifies and improves language in documentation

* Although my previous PR (#469) on this topic was merged, it caused
  [quite a discussion](https://github.com/janl/mustache.js/pull/469) about
  the clarity of the language I wrote.
* This commit seeks to clarify and improve the sentence under discussion.

Update UMD Shim to be resilient to HTMLElement global pollution

Please see https://github.com/umdjs/umd/pull/63 and https://github.com/umdjs/umd/issues/35 for more information, but
this change prevents an HTML element with an id of `exports` from causing the UMD shim to incorrectly detect the environment as node.

Move gif to githubusercontent #327

Documents use of string literals containing double quotes

Throw error when providing .render() with invalid template type

As we require the template to be a `string` we now throw an error when given
any other data type. This should provide the developers with a meaningful
error rather than a cryptic TypeError from the murky depths of our source code.

Fixes #464

Added global Mustache definition

This reverts commit 2f51083565. Util is
not yet configurable, so issue links point to `mocha`.

`version` is currently a moot prop since git tags are used instead. More
info at https://github.com/bower/bower.json-spec/commit/a325da3.

Remove moot `version` property from bower.json

Per bower/bower.json-spec@a325da3

Fix view prototype value lookup issues

Fixes #445

Bugfix for view context cache

Fixes #442