Merge pull request #5964

9a1dcea Use CScheduler for net's DumpAddresses (Gavin Andresen)
ddd0acd Create a scheduler thread for lightweight tasks (Gavin Andresen)
68d370b CScheduler unit test (Gavin Andresen)
cfefe5b scheduler: fix with boost <= 1.50 (Cory Fields)
ca66717 build: make libboost_chrono mandatory (Cory Fields)
928b950 CScheduler class for lightweight task scheduling (Gavin Andresen)
e656560 [Qt] add defaultConfirmTarget constant to sendcoinsdialog (Philip Kaufmann)

src/Makefile.am

@@ -116,6 +116,7 @@ BITCOIN_CORE_H = \
   rpcclient.h \
   rpcprotocol.h \
   rpcserver.h \
+  scheduler.h \
   script/interpreter.h \
   script/script_error.h \
   script/script.h \
@@ -259,6 +260,7 @@ libbitcoin_common_a_SOURCES = \
   netbase.cpp \
   protocol.cpp \
   pubkey.cpp \
+  scheduler.cpp \
   script/interpreter.cpp \
   script/script.cpp \
   script/sign.cpp \