Update Specs/Runner to latest version.
Merge pull request #2555 from timwienk/master

Update Specs/Runner to latest version.
make test more lax so it accepts either 0px 0px or 0% 0% as valid default values for background-position
only try to normalize the units to px on IE if it's not directly set on the style attribute
Merge branch 'gonchuki-fix_getStyle_IE_units' closes #2417
Merge pull request #2556 from gonchuki/fix_background_position_test

make test more lax so it accepts either 0px 0px or 0% 0% as valid defaul...
Adding parenthesis around condition to fix IE8, after 912a2360

https://github.com/mootools/mootools-core/commit/912a23600d64d9c8030a58c700ac6617e09475ca#commitcomment-5228993
remove feature check for Presto
Merge pull request #2557 from gonchuki/removePrestoComputedStyleCheck

remove feature check for Presto
Fixing typo in YAML header for Fx.Morph Specs.