Refactoring: move message quoting when replying into the Composer
Add some basic tests for quoting
Composer: do not rewrap text which is a quotation

In short, this prevents erroneous wrapping where the quoted lines which are
expected to be pre-wrapped would get wrapped again, but with a wrong quotation
level.
SVN_SILENT made messages (after extraction)
Ubuntu: Fix ImapAccess::passwordWatcher non NOTIFYable property warning

REVIEW: 118146
Typo fixes, thank to Caspar
Merge branch 'quote-replying'

REVIEW: 118125
Ubuntu: Implements PasswordWatcher for imap access

ImapAccess: fixed non NOTIFYable property warning when using
passwordWatcher from qml.

Ubuntu: Now uses the passwordWatcher. When authRequest signal is
received it either auto connects or if no password saved ask
user to enter password.

REVIEW: 118130
BUG: 333965