Added Energy ContentProvider
Added ContentProvider to manifest
rxjava implemented in example fragment
Added holographlibrary and implemented it in Usagefragment.
Removed holograph mistake files
Added holographlibrary
Fixed holographlibrary
@T63 Added search bar to drawer
Removed submodule
Added holographlibrary source files
Merge pull request #2 from haavardlian/EnergyDatabase

Energy database