Direct link support for Chargeback UI elements

[gtanzillo]

The current explorer style screens for Chargeback as well as other areas of the Ui prevents external applications from providing links to specific areas within Chargeback like - Reports, Rates, and Assignments.

• [UI] Split Chargeback explorer into 3 explorers
• Rates
• [UI] Chargeback Rates non explorer
• [Schema] Migrate chargeback rates features for de-explorerization
• [Schema] Migrate start page settings for affected users
• [Core] Moved API specific Chargeback features under API section
• [Core] Added features under Chargeback Rates
• Assignments
• [UI] Chargeback Assignments non explorer
• [Core] Startpage url changes to go with non-explorer verison of CB Assignments
• [Schema] Migration for Startpage url updates for CB Assignments
• Reports
• [UI] Chargeback Saved Reports non explorer
• [Core] Feature updates and Added scope to MiqReportResult model
• [Schema] Chargeback Reports features and startpage data migrations