Change package name from "loam_backAndForth" to "loam_back_and_forth" for groovy
Adding "loam_back_and_forth" to replace "loam_backAndForth" for Fuerte
Delete "loam_backAndForth" from Fuerte
Merge pull request #2308 from jizhang-cmu/master

Adding "loam_back_and_forth" to documentation index for both Fuerte and Groovy, to replace "loam_backAndForth"