Added script to create node databases
Added pbsnodes output parser and node state representation
Added initial version of node DB loader
Added pbsnodes output for testing purposes
Added load nodes table
Modified database schema according to best practices
Memory size now integer and in bytes
Added rack and IRU info
Added PBS feature to DB (-l)
MOved partition logic to utils
Fixed memory feature condition
Moved partitions table inserts to load script; cleaned up DB creation script
Merge pull request #1 from gjbex/feature/cluster

Feature/cluster