v1.2.0 - Port Forward Groups

What's New

• Port Forward Groups: Create named groups of port forwards that connect together in a single SSH session. Pick a connection, select specific port forwards, and connect them all with one tap.
• Groups tab in Manage Connections screen for creating, editing, and deleting groups.
• Recent items support for groups on the main dashboard.
• Batch port forward creation (from previous commits on this branch).

Full Changelog

• Add port forward groups model and storage
• Add group create/edit UI with connection picker and port forward multi-select
• Wire group connect through SSHTunnelService
• Add Groups tab to ConnectionManageActivity (ScrollableTabRow for 4 tabs)
• Include groups in export/import