Start of stats work

Methods for most taken pill
Methods for day with most consumptions
Added method for dayWithMostConsumptions in Statistics

New method takes a date range
Added method for Hour with most consumptions in Statistics
Added method to get last consumption in statistics
Removed some code used for testing
Merge branch 'master' into stats
Merge branch 'master' into stats

Conflicts:
	app/src/main/java/uk/co/pilllogger/adapters/PillsListAdapter.java
Merge branch 'master' into stats
Added method for average time between consumptions in Statistics
Added method for longest time between consumptions in Statistics
Merge branch 'stats' of https://github.com/allendevco/pill-logger into stats
Merge branch 'master' into stats
Added new activity for to display stats
Removed file that android studio added when creating activity
Preliminary layout done for stats
Stats now show correct information
Put some defense agaisnt null or empty consumptions in stats activity
Updated stats activity with more information and colour
WIP: Adding 24hour view
Stopped showing a blank pill at top of stats when not 3 pills