init.cpp: cosmetic indent changes, preparing for no-wallet mode
qt: make URI scheme comparison case insensitive

Fixes ancient issue #1460.
Merge pull request #3241 from laanwj/2013_11_uri_scheme_case_insensitive

qt: make URI scheme comparison case insensitive
Add -disablewallet option, to disable wallet support (and BDB)
qt: GUI support for -disablewallet mode
Merge pull request #3240 from laanwj/2013_11_rebase_no_wallet

Introduce disable-wallet / no-wallet mode (rebased)