Fixes to Bugs #79 and
Added dateToCommonString and commonStringToDate functions to fix date format
Added defaults and checks on number Inputs
Minor UI fixes to the Edit
Changed date format on post_date on activityFromApi
FrontEnd Change for #75
geocode is already now an object and not a string containing an object
Revert "FrontEnd Change for #75"

This reverts commit 9303ab5803eacdfeb8c82e81e3763d3cea35c5a7.
Merge pull request #81 from SmokyBob/feature/material_design

Fixes Bugs #79 and #70