Revert " add patch for register process,auto membrane object"

This reverts commit fd9ba707440e6c259545bb2cd2025fe990b13446.
Revert "Merge branch 'master' of github.com:collective/dexterity.membrane"

This reverts commit 29c461dd4ed7f0bed1ab503557820d551dc9c051, reversing
changes made to 2a9f5c633511580814d4579be7eb42f706f06ac3.
Revert "add mail notify when register successful"

This reverts commit 2a9f5c633511580814d4579be7eb42f706f06ac3.
Revert " new add po files"

This reverts commit 689d846786472367badbdfd498e78dd926625c9e.
Revert "add register support"

This reverts commit 575dc8d7c29d62b706b8bd088402d90daded3a5c.
Fix getattr to have default value as intended
Update changelog