specs opacity fix

el.style.opacity returns a string, not a number

http://jsfiddle.net/eLLMT/
Merge pull request #10 from SergioCrisostomo/opacityfix

specs opacity fix
Restored original syntax

Restored original syntax in the specs as it was in
https://github.com/mootools/mootools-core/blob/master/Specs/1.2/Element/Element.js#L246

Array.type() is old MooTools and return boolean hear, not 'array'/string

http://jsfiddle.net/nYMWz
bypass spec if on compat testing
Merge pull request #11 from SergioCrisostomo/Array-type-specs-fix

Restored original syntax
Merge pull request #12 from SergioCrisostomo/function-bind-compat

function bind spec fix
fix specs to look for correct behaviour since 1.3
opacity setter specs

added specs for both version of setter for opacity. <1.4 and 1.4+
Merge pull request #14 from SergioCrisostomo/opacityfix

opacity setter specs @SergioCrisostomo deserves a :beer:
Merge pull request #15 from GCheung55/ibolmo-master

Update ports and sauce tasks
Merge pull request #13 from SergioCrisostomo/newElementsLength

fix specs to look for correct behaviour since 1.3
Merge pull request #16 from GCheung55/ibolmo-master

Patch for Sinon-IE (IE7-9)
Merge pull request #9 from ibolmo/master

updating