Make front and back return const refs in internal_queue.
Remove test/queue.cpp
Delete test_ami_queue
Remove ut-external_queue named
Reimplement queue using two file_streams and an internal queue.
Use tpie::get_block_size instead of file_stream::memory_usage.
Rename fields of queue to use camel case.
These methods should not be inline
These methods should not be inline
queue: Gather private methods in bottom of class definition.
Add comments describing the queue implementation.
Update queue copyright year
queue: Maintain m_size.
Add ut-external_queue empty_size.
Add a test for tpie::queue where the number of elements exceed the blocksize.
Merge branch 'queue' into next_v1.2
Rename file_stream.h -> uncompressed_stream.h
Rename tpie::file_stream -> tpie::uncompressed_stream
Add file_stream.h (just includes compressed/stream.h).
compressed/stream.h: Rename tpie::compressed_stream -> tpie::file_stream.