changed google username retrival

should now work without google plus.
And it uses the e-mail address as unique username.
0.3.12
will continue next folder if one had an error

the folder with error will have ctag = 0,
i.e. etags will be downloaded on next sync.
improved error forwarding
small code beautification
keep 0 ctag if single downloads failed.
added uri component decoding

some google event URLs failed, because they contained
URI encoded components.
Merge branch 'Garfonso/work' of https://github.com/webOS-ports/org.webosports.service.contacts.carddav into Garfonso/work
fixed deleting accounts
small stuff
0.3.13
updated changelog to 0.3.13
fixed stupid typo
changed vCard to support new patch, also fixes uId processing
fixed etag download after put request.
comment  changes.
fixed issue where execptions could be duplicated.
Merge pull request #48 from webOS-ports/Garfonso/work

bump to 0.3.13