graph view of basic blocks
added new instructions, including conditional moves, etc.
lots of bug fixes after using the decompiler in PlaidCTF and Defcon 21 CTF Quals.
added a way to 'replace' an expression in-place by keeping track of its own parent.
added ternary expressions.
beginning to work on adding stdcall.
rewrote some of the expression propagation code.
quick hack to remove stack alignment expressions when required.
Merge branch 'master' of https://github.com/EiNSTeiN-/ida-decompiler