Create .travis.yml

Travis CI's build environment
use travis status badges
Rename README to README.md
Create README
Update README
More documentations
Merge branch 'more-documentations'
Merge branch 'master' of github.com:shardiwal/perl-Math-Function-Interpolator

Conflicts:
	.travis.yml
	README.md
Merge pull request #11 from shardiwal/master

More Documentation