Directory Clean Up

Cleans up directory by moving logically grouped commands into sub
directories.

Moves all Schema commands into a Schema folder. Removes the word Schema
from the command and adds it to the namespace.
Schema Validation

Provides access to the schema validation command.
Clear Metadata Cache

Provides access to the clear metadata cache command.
Merge pull request #3 from baileylo/feature/validate-and-cache-command

Validate Schema and Clear Metadata Cache Commands