v2.2.0

The new documentation can be found here:
https://github.com/pgRouting/osm2pgrouting/wiki/Documentation-for-osm2pgrouting-v2.2
With this release the following changes have being done:

osm2pgRouting 2.2.0

• Adding foreign keys to the tables.
• Added a progress bar.
• New mapconfig_for_bicycles.xml
• Improved the C++ code.
  • remove the use of pointers to avoid leaks.
• Table osm_ways_tags because information is redundant.