#370

Adding ordinal suffix to each new document's name
#373 - Adding en_GB language support to Spell Checker
#374 - Adding de_DE language support to Spell Checker
#368 Added markdown extra support

Added switch in settings to toggle markdown extra support.
Refactoring of SettingsViewModel class

Some refactoring and cleaning around SettingsViewModel. Registry access
responsibility moved to a new class. No new features introduced.
#376 - Adding tr language support to Spell Checker
#372 - Fixing Argument Null Exception in "Open From Web" feature
Fixing multiple Help Window issue
Merge pull request #371 from eserkansozer/master

#370,#372, #373, #374, #376 Refactoring of SettingsViewModel class
Updated gitattributes
Fixed up issues with preview rendering after 1.7 upgrade
Merge pull request #378 from JakeGinnivan/FixedPreviewRendering

Fixed up issues with preview rendering after 1.7 upgrade
Merge branch 'master' of github.com:rcbdev/DownmarkerWPF
Fixed merge issue
Added publish to azure blob storage into build script
Removed turkish language as it is a really large dictionary file
Merge pull request #379 from JakeGinnivan/ClickOnceFinal

Click once publish to azure
Overwrite files when uploading to azure
Adding Invert Colors checkbox to Settings view

For supporting white letters on a dark gray background in the editor
Merge pull request #381 from eserkansozer/Help

#380 - Fixing multiple Help Window issue