add a dynamic inject method to MyInjector, in preparation for adding
an implementation switching option.
simplify EnvHandlerTest
return the locator key from BlockStore.put
rename StoreBlock to ClearBlockTarget
fix name of FileStoreMemoryTest
some upgrading and cleanup of KeyOutputStream
upgrade and cleanup KeyOutputStream
Make a line iterator.
replace LineCursor with LineIterator
replace the Tag push pull parser with an iterator.
move tests from IndexSearchMainTest to IndexSearchTest
make a package for index services.