Remove implicit conversion from String to {Term,Type}Name

Replace uses of deprecated new{Term,Type}Name with {Term,Type}Name.
Replace uses of tpename/nme with typeNames/termNames.
Replace use of deprecated scala.concurrent.Lock ...

... with java.concurrent.locks.ReentrantLock
SI-7155 Remove scala.collection.mutable.AVLTree
Remove deprecated CompositeThrowable, ThrowableOps
Remove deprecated scala.collection.script
Make Range's deprecated-to-be-private members private
Remove collection's *{Proxy,Forwarder,Adaptor}, Synchronized*

Types which were deprecated too late remain.