initial work on #683
further work on #683
finish off work on #683
small fix for #683
move static tree analysis to TypeVisitor
initial work on #684
Merge branch 'master' of github.com:ceylon/ceylon-spec into 683
Merge branch 'master' of github.com:ceylon/ceylon-spec into 683
fix #687 and add test
initial work on support for (super of T)
support "extends super.Type()" for interface members
fix test
remove support for postfix (super) syntax
fix #688 (requires tests)
add getSuper() API
rename the method
imports
further work on #688
Merge branch '683'
Merge branch 'master' of github.com:ceylon/ceylon-spec