Update copyright year
Add Util++ as 5.3.0 release manager and add the rest of the 2013 dates
Prepare for the 5.3.0 release
[ci skip][doc] Add a news note about Google Summer Of Code 2013
[GH #958] Add tests for chomp from osutils.
[GH #958] Fix chomp to only remove a newline when it ends the string.
[doc] Explain our Task PMC example
Improve release process by changing crow.pir to auto-insert message digests.
[doc] Add some POD to a thread example
[doc] #936 Fix doc for examples/threads/alloc_test.pir
[doc] Add POD about Chameneos, a cooperative p2p multi-core algorithm
Remove a useless threads example
[doc] #936 Add doc for examples/threads/chameneos.pir
[doc] merge both #936 chameneos.pir docs