Revert "Checkin release notes"

This reverts commit 3e7c569872925b7f14e5b874917f45e46b5e270d.
Revert "Add to list of actions that enable multiple carets"

This reverts commit 3752b0205f7c8fa762a3aecf6d01b6f7b892c51d.
Revert "Remove light gray line above tabs"

This reverts commit 342152ea71b3ec1349d60a58bf447a1a738b88a8.
Revert "Revert "Remove light gray line above tabs""

This reverts commit f392debed0fda9fcb4c1635a9b0b74c609172489.
Revert "Revert "Add to list of actions that enable multiple carets""

This reverts commit e0e963dd39822be92043bb7a97562d286784735e.
Revert "Revert "Checkin release notes""

This reverts commit 8c5aeaa469ebdeadbe7bfb19000d0f88611b1c4e.
Revert "Checkin release notes"

This reverts commit 3e7c569872925b7f14e5b874917f45e46b5e270d.
Revert "Add to list of actions that enable multiple carets"

This reverts commit 3752b0205f7c8fa762a3aecf6d01b6f7b892c51d.
Revert "Remove light gray line above tabs"

This reverts commit 342152ea71b3ec1349d60a58bf447a1a738b88a8.
Revert "Set root view to be opaque"

This reverts commit da3a91a7bb224900d9cca6530ebbc6dfedd5d381.
Revert "Fix crash when pasting in file browser"

This reverts commit 71e884a6ded29845fb4a9938575b546948fe717b.
Revert "Rework symbol chooser code"

This reverts commit 0413f35eeb429398e41429cd24d31807b7673dce.
Revert "SymbolChooser live-updates its selections"

This reverts commit b9d9e9140a7b933286c9e45cd19e0e257329cf6b.
Revert "SymbolChooser references OakDocumentView instead document"

This reverts commit 33751cadf1d00ee231713e8911d79f3cb80e9cdd.
Revert "Fixed occasional “too light” title bar gradient"

This reverts commit 08d8d69f2e464759045c31d7413bc8100a4a8109.
Revert "Fixed control/tab bar label shadows"

This reverts commit 5f69592a1f31f51b24a183cb81ce3682210da944.
Revert "Corrupt archive → extracting archive"

This reverts commit b1f19e93f2156feff5c8751ff1b24a0082f18a1c.
Revert "Construct default theme from a dummy bundle item"

This reverts commit 951fd53b3019b8b410a9f9f1ea455140405fe94c.
Revert "Make encoding::type public"

This reverts commit 46a8445f76d1fea823028921692df00d83558da5.
Revert "Catch potential exception from address book"

This reverts commit 0431cca971372b936ab688f8d72ea913dd5364c5.