Use chalk module to colorize terminal output

- Also tweak the messages, unifying format
Merge pull request #130 from radkodinev/colorized-output-with-chalk

Use chalk module to colorize terminal output and unify message format
added support for sourcesContent option in source map

Closes gh-133.
Simplified source map configuration

sourceMap is now a Boolean that determines whether or not to generate
the map. sourceMapName can be used to customize the name and location.

Closes gh-122.
v0.3.0
Fixes source file reference in source map

Source files in the same directory will be referenced by `file.ext`
instead of `/file.ext`

Closes gh-141.
v0.3.1
Fixed the description for sourceMapIncludeSources
Ignores sourceMapIncludeSources option when sourceMap isn't true

Closes gh-147.
v0.3.2
Updated documentation with example for `drop_console` usage

Closes gh-136.
Updated source map examples

The examples now reflect the new configuration for source maps in 3.x
Added migration guide for 2.x to 3.x
Fixed date in CHANGELOG
docs
remove calls to grunt.template.process, this happens automatically
v0.3.3
fix year in release date

closes gh-161
Update copyright to 2014
remove grunt-lib-contrib

Also remove the `report: false` choice in a backwards-compatible manner. It's really moot.