Update suggested filename accessing
Add the snapshot command
Add support for local settings

By creating a local.mk, a developer can keep settings in a file instead
of typing them every build (such as ENABLE_WEBKIT2=no or PREFIX=...).
Update suggested filename for 1.9.90
Add load/save commands
Add an inject_text variable
Fix inject_html for webkit2
Sync with 1.11.1 settings
Style fixes
Use GObject wrappers for the soup_session as well
Add an unsigned long long variable type
Add a cache model variable
Add remove_all_db command
Add plugin-related features
Add an editable variable
Add finer control of the web inspector
Fix encoding variables

The current encoding is a read-only variable. The encoding can be
enforced by setting a custom encoding instead.
Add a view_mode variable
Add spell_checker command
Add maintain_history variable