enabled controller caching, used MemCacheStore, and compressed static assets
misc changes
Merge pull request #21 from jackfengibm/caching_112564

Caching 112564
simply configuration of static asset compilation
Merge pull request #22 from jackfengibm/simply_configuration_of_statics_assets_compilation

simply configuration of static asset compilation
add steps to refresh cache after finish loading data
Merge pull request #23 from jackfengibm/add_page_refresh_post_data_load

add steps to refresh cache after finish loading data
fixed grey background in banner
Merge branch 'realign_filter_buttons' of https://github.com/jackfengibm/graf into realign_filter_buttons