[feature/http-warning] Warn of plain HTTP URLs during setup

[felix-schwarz]

Description

Introduces a new warning when trying to setup an account with a plain HTTP URL (via updated SDK and a new generic issue type).

Related Issue

#267 ( @michaelstingl 's comment: #267 (comment))

Types of changes

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to change)

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[codecov]

Codecov Report

Merging #328 into master will not change coverage.
The diff coverage is 50%.

@@           Coverage Diff           @@
##           master     #328   +/-   ##
=======================================
  Coverage   29.57%   29.57%           
=======================================
  Files         229      229           
  Lines       15521    15521           
=======================================
  Hits         4590     4590           
  Misses      10931    10931

Impacted Files	Coverage Δ
ownCloud/Client/PhotoSelectionViewCell.swift	0% <ø> (ø)	⬆️
ownCloud/Bookmarks/BookmarkViewController.swift	81.92% <ø> (ø)	⬆️
ownCloud/Client/ClientQueryViewController.swift	34.1% <0%> (ø)	⬆️
ownCloud/SDK Extensions/OCIssue+Extension.swift	57.89% <100%> (ø)	⬆️

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[felix-schwarz]

Changes were folded into #325, so this PR is now redundant and can be closed.