relies on global variables managing files which were deleted on child process exit.
Helgrind is currently disabled for the multiprocess unit test as it makes it fail.

Added silencing of valgrind information for child processes.
Added protocol buffers cleanup at the end of unit tests.

Added ProcessManager class which owns the main loop.
Fixed a bug when closing the wrong side of the socketpair in SocketPair.
Minor fixes to tape daemon code.

Changed the interface to EOS doc and changed the type of the first parameter of catalogue.getArchiveFiles from uint64_t to string

Added a VO explanation and requirements document, and removed the last bits of dr_instance from the help texts

Finished renaming eosid to diskid and move drInstance out of drData and renamed to "instance" simply

we have out the mount policy parameters in the scheduler constructor temporarily we will remove them once we know where to put them

removed the minqueued bytes and files from mountgroup and mountpolicy. added minqueued bytes to logical library

This reverts commit 5be8cbe7.