Revert "Freeze the shift+backspace key binding."

This reverts commit 9332d46740d67315c176a522ebf0b9519c62c6c4.
Revert "Fixed SpecialCharacterTextRun positioning; made box slightly transparent."

This reverts commit ab3f7c51a10cbde7a37d519a470740b7f2c70a70.
Revert "Revert "Fixed SpecialCharacterTextRun positioning; made box slightly transparent.""

This reverts commit d641b03d008923741c8c2f9491e08e6480c1668b.
Revert "Revert "Freeze the shift+backspace key binding.""

This reverts commit cf0b66ec33a05fda095afdcfeea5d69259f16682.
Revert "Fix VB.NET web page project that did not compile."

This reverts commit abb7a31a09f90a0e82aea037d1ccf94d451e918c.
Revert "Support converting VB.NET exit statements to Ruby."

This reverts commit f9f6611fd7c5ad2f4d1a8f54b4398a35454f0b8f.
Revert "Support converting VB.NET for next loops to Ruby."

This reverts commit c2674fba66ef0920707e332bf57717f43ae7444c.
Revert "Support converting VB.NET for next loops to Python."

This reverts commit b2e0f592f7f83a67f727ed6b6b24e6482ab68174.
Revert "Ignore FileLoadException thrown when attempting to load an unverifiable assembly."

This reverts commit 540b66cc3723d8df875882190a16bfa897ee78ce.