(OK) clean Makefile
(OK) fixed bugs of uninitialized father pointer and make sure variables are expunged when being deleted.
Merge branch 'master' of https://github.com/wsong83/Asynchronous-Verilog-Synthesiser
(OK) using BOOST_FOREACH
(OK) merge the work of dev to master
merge the changes from dev to master
merge dev to master
manually merge dev to master
manual merge dev to master
manual merge with branch dev after cmd commands rewritten in Boost.Spirit
merge dev to master for the new sdfg support
manual merge dev to master
merge sdfg2pdf from dev to master
merge the new command uniquify from dev to master
Merge branch 'dev' of https://github.com/wsong83/Asynchronous-Verilog-Synthesiser
Merge branch 'dev' of https://github.com/wsong83/Asynchronous-Verilog-Synthesiser
Merge branch 'dev' of https://github.com/wsong83/Asynchronous-Verilog-Synthesiser
With many node removal, edge removal simplifications.
Merge branch 'dev' of https://github.com/wsong83/Asynchronous-Verilog-Synthesiser
Merge branch 'dev' of https://github.com/wsong83/Asynchronous-Verilog-Synthesiser
Merge branch 'dev' of https://github.com/wsong83/Asynchronous-Verilog-Synthesiser