Implement Kimoto Gravity Well

initial changes for kimoto gravity well
change version to 1.5

change version to 1.5
Fixes for KGW

Fixes for KG implementation
More changes for kgw implementation

More changes for kgw implementation
remove unused variable TimeDaySeconds

remove unused variable TimeDaySeconds
Add some updated checkpoints

Add some updated checkpoints
Merge pull request #3 from tashrobinson/master

Implement Kimoto Gravity Well for Extremecoin