Add "Package class >> load" and supporting methods
Fix #755
Formatting and rename makeNormalPath: to normalizePath:
Update CHANGELOG with 0.12.1 and 0.12.2 release
Merge pull request #760 from mkroehnert/release

Update CHANGELOG with 0.12.1 and 0.12.2 release
Object is no special any more (hidden Root is)
You nil subclass

Though, working with such objects is tricky since
they do not have any method (initialize, printString and class,
just to name a few).
root/rootAsClass
Adds some comments related to the new root class
Make sure Helios error handler is registered
- register DebugErrorHandler only if no other handler is registered
- same for RethrowErrorHandler
Removes TagBrush and HTMLCanvas >> isMSIE
Makes JSObjectProxy a subclass of AbstractProxy
Remove empty protocols when recompiling a method, fixing issue #691
Simpler fix for previous commit
Removes old HTMLCanvas class >> is*
Revert "Simpler fix for previous commit"
It has issue because of the removal of the compiledMethod

This reverts commit 04637ce678ce3fc3c2363e97a167fec65c1130c6.
using amber_helios/html to locate helios.html

amber_html was strange namespace anyway
Merge pull request #764 from herby/amber-helios-html

using amber_helios/html to locate helios.html
Merge branch 'upstream' into pr-728
Fixed *extension category

Importer-Exporter was renamed to Kernel-ImportExport