Fixes for MSVC 2008 in grap_adaptors.h and edge_set.h (#194)

Several renamings and changes in adaptors and edge sets

- Fixing scope usage for MSVC
- ResidualDigraph based on SubDigraph instead of FilterArcs
- Use initialize() in adaptors and edge sets
- Wrap ListDigraph for edge set tests

 if WANT_TOOLS

 bin_PROGRAMS += \

 	tools/dimacs-to-lgf

 dist_bin_SCRIPTS += tools/lemon-0.x-to-1.x.sh

 endif WANT_TOOLS

 tools_dimacs_to_lgf_SOURCES = tools/dimacs-to-lgf.cc