Added server request to delete items from a shopping list and deleteAll
calls delete item.
Merge branch 'master' of https://github.com/blchang/splist.git
Merge branch 'master' of https://github.com/blchang/splist.git
Merge branch 'master' of https://github.com/blchang/splist.git
Merge branch 'master' of https://github.com/blchang/splist.git
Merge branch 'master' of https://github.com/blchang/splist.git
Fixed CalcActivity, sort of... Still randomly crashing
Merge branch 'master' of https://github.com/blchang/splist.git