Annotation of /MITgcm_contrib/ifenty/ECCO_v4/Historybook

Notes on ECCO v4 
========================================================
The note should be in the following format:
Timestampe (yyyy/mm/dd) 
C For code updates
I For Changes  

Example:
20140430
C Split ABC cost to time-mean and time variable parts.
I Reduce XYZ multiplier from 25 to 1. 
1	ou.wang	1.1	Notes on ECCO v4
2			========================================================
3			The note should be in the following format:
4			Timestampe (yyyy/mm/dd)
5			C For code updates
6			I For Changes
7
8			Example:
9			20140430
10			C Split ABC cost to time-mean and time variable parts.
11			I Reduce XYZ multiplier from 25 to 1.