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

 SET(PROJECT_NAME "@PACKAGE_NAME@")

 SET(PROJECT_VERSION "@PACKAGE_VERSION@" CACHE STRING "LEMON version string.")