Added ANTLR listener for CREATE TABLE statement which creates a new schema.
Merge branch 'tools'
Ignore *.tokens files generated by ANTLR
Added more files to be ignored
Added some design documentation
Merge branch 'jobs'
Merge branch 'master' of github.com:silentdai/mapred_jobs
MOD: some comment in src/db/GroupByReducer.java
MOD: remove obsolete comments and can run from beginning
MOD: accept create table stmt now
MOD: add create table stmt to data/sql