Rename for name consistency
Get rid of old helper scripts
Delegate old script with new and simpler

Instead of ar-input-range.sh and ar-compute-range.sh, we create 2 new
scripts that run for 1 day only.
New controller script

This script can control any workflow. Can also accept only one date for
user's convenience
Remove distinction between local and distributed
Declaration of run mode

Can be local or cluster
Refactor crons
Fix spec
Fixed comments
Typos and comments
Created a pig directory

I believe we should distinct pig scripts as we have with lib and java
Remove conflicts. Alph order
Merge pull request #13 from andronat/devel

Closes ARGOeu/ARGO#53