update test code
initial attempt at a modernized API for ceylon.dbc
initial cut of API redesign for ceylon.dbc
Conflicts:
	test-source/test/ceylon/dbc/inserts.ceylon
	test-source/test/ceylon/dbc/queries.ceylon
	test-source/test/ceylon/dbc/run.ceylon
Merge branch 'master' of https://github.com/ceylon/ceylon-sdk

Conflicts:
	test-source/test/ceylon/dbc/inserts.ceylon
	test-source/test/ceylon/dbc/queries.ceylon
	test-source/test/ceylon/dbc/run.ceylon
add Row type alias
minor ws changes
add Select.forEachRow() and Select.execute()
add myself to by()
fix module docs
one more doc fix
fix #176 introduce Sql.Transaction
re-enable tests for transactions
test both styles
fix #153, add contravariant SetMutator, ListMutator, MapMutator
by popular demand, rename Immutable->Unmodifiable, and add factory funs
add operations for reading/writing arbitrary file attributes
fix hash for HashSet/HashMap, thanks @crawley #178
first cut of red/black tree for #173
misc cleanups to red/black tree
more cleanup on Tree