Feedback on 0.6.0 branch

[pocesar]

For 1.0.0 discussion, go here #54

https://github.com/epeli/piler/tree/0.6.0

See if anything breaks. minor versioning should not break anything.

Upcoming changes:
#0.6.0 - 2014-06-12

• Fixed tests to run on any environment
• Fixed tests for using new jade and express >=3.x conventions
• Updated jQuery test version
• Update dependencies
• Updated minify.coffee
• Added package.json scripts
• Initial code coverage
• Drop Node.js 0.8 support
• Added debug module to all sources
• use strict for quality of code
• Forbid using of ECMAScript reserved words for namespaces in JS
• Added graceful-fs for your open file descriptor uneaseness
• Added cache for minified code, you may provide your own cache mechanism. It uses filesystem by default
• Fix examples
• Code cleanup
• Expose BasePile for testing and augmenting
• Started documenting code
• Added functions for adding and removing compilers from Piler
• Fix findCodeObByFilePath
• Fix livecss
• Fix Express response helper
• Added volatile Pile (that can be reset on demand)