changed tip4commit project id
Merge pull request #1 from alexandrz/patch-1

changed tip4commit project id
updated readme to new project peer4commit
changed site names and copyright
changed bitcoin mentions to peercoin
removed coingiving iframe
changed unit
updated shield for peercoin
module to call peercoin rpc command
generate a peercoin address on project creation
works on ruby 1.9
added postgresql gem
convert port to integer