Renamed files to reflect correct convention.
Speech to text automatically activates after first prompt.
Updated gradle version.
added file manager
Added ability to add account by username.
- Will log in if username exists
- Created LoginActivity which prompts for username input every start of the app
- Added FileManager to manage accounts (saved in files)
- Logout through SettingsActivity
- Cannot delete accounts yet
Added log to view current accounts.
Merge branch 'accounts' of github.com:scotthso/Assist911 into accounts

Conflicts:
	app/src/main/java/scottso/assist911/SettingsActivity.java
	gradle/wrapper/gradle-wrapper.properties