added rebar folders to gitignore
adding the config and a gen_server to handle the c* nodes
fixed a couple of problems
fixed the node check and the timer not being saved correctly
added the discovery gen_server to the supervising tree
notifying the queue
using the right types for the cassandra seed node config value and fixed the node comparisson
added a timeout to the connection
changed the update_nodes call logic
some fixes
Merge pull request #19 from inaka/hernan.ts938.seed_node

TS-938 - Don't merge