clamped rgba format color output.
improved error message for undefined variable in js eval statement.
improved error message for undefined variable in js eval statement, more clean fix.
Merge pull request #1766 from seven-phases-max/undefined-var-in-js-fix

Improved error message for undefined variable in js eval statement.
If result of evaluated javascript is a number return it as Dimension.
Merge pull request #1769 from lesswtf/master

If result of evaluated javascript is a number return it as Dimension.
Merge pull request #1737 from seven-phases-max/clamped-rgba-output

Clamped rgba format color output
update changelog
Merge branch 'master' of https://github.com/cloudhead/less.js
move readme changes to build version and re-build
release 1.6.0
Fixes "function" test against regular expressions

In some browser engines (especially older versions of Webkit), this
test fails when the argument is a RegExp.

See:
http://stackoverflow.com/questions/5054352/why-use-typeof-for-identifyin
g-a-function

Fix tested and works with Adobe AIR.
Fix for use of reserved word

Fixes issue #1772
Merge pull request #1773 from matthew-dean/master

Fixes "function" test against regular expressions
add comment explaining new function check
Close #1777
Data-uri function used single quote ' around generated url, but did not
encoded it in generated string. Switched it to " which is encoded.
Fixed incorrect property interpolation for certain variable types, updated tests.