#469 fixed xml formatting problems

[krzyk]

#469

• fixed problem with XML preambule (now it is required, including encoding)
• fixed problem with comment before the first XML tag
• fixed problem with new line at the and of XML (it is required now)
• added todo to fix incorrect attribute formatting

[caarlos0]

@krzyk Looks good!

[davvd]

@krzyk Let me find a reviewer for this pull request, thanks for submitting it

[davvd]

@yegor256 this pull request is for you, please review

[yegor256]

@rultor try to merge

[rultor]

@rultor try to merge

@yegor256 OK, I'll try to merge now. You can check the progress of the merge here

[rultor]

@rultor try to merge

@yegor256 Done! FYI, the full log is here (took me 13min)

[davvd]

@yegor256 Much obliged! I have added 16 mins to your account in payment "000-e207982c", 24 hours and 12 mins spent. review comments (c=1) added as a bonus. +16 added to your rating, at the moment it is: +10751

[davvd]

@rultor please deploy

[rultor]

@rultor please deploy

@davvd OK, I'll try to deploy now. You can check the progress here

[rultor]

@rultor please deploy

@davvd Done! FYI, the full log is here (took me 12min)

[caarlos0]

@davvd can we release this change?

[davvd]

@davvd can we release this change?

@caarlos0 ask @krzyk, he is the architect

[krzyk]

@rultor release tag is 0.13.1

[rultor]

@rultor release tag is 0.13.1

@krzyk OK, I will release it now. Please check the progress here

[rultor]

@rultor release tag is 0.13.1

@krzyk Done! FYI, the full log is here (took me 16min)

[krzyk]

@caarlos0 done, you can use 0.13.1 now

[caarlos0]

@krzyk thanks!