Commands, parameters, console interface

[michkot]

Collected tasks relevant to console application variant of Angie. opt pass variant is also planned, and that should considered when implementing console functionality.

• Analysis should be self-contained, but for start all compiled into one application. One should be able to pick the analysis he ones to run via parameter.
• Print diagnostic messages in GCC/clang compatible format (create wrapper around LLVM pass diagnostics message machinery ?)