copy svn support scripts as-is from our chef deployment scripts
replace occurences of 'redmine' with 'openproject'
Embedded attachments in api work package model.
WIP wiring up attachments tab.
Added failing specs for API watcher resource
Linking to attachment and author on attachments tab.
Moved filesize display into helper.
Add watchers#create API end point
Render API error response when watcher is invalid
Let API render status 200 if a user is already a watcher
Add authorization to API watchers#create
Implement API watchers#delete end point
add back --redmine-host option for compatibility

because we don't want to break old OpenProject installations.
However, this options is deprecated.
We need libapache2-svn for a working svn setup
Remove duplicate code block
Order work packages attachments by filename by default.
Merge branch 'dev' into feature/attachments-tab
re-integrate repository_authentication plugin
Add watch and unwatch links to wp resource (WIP)


TODO
	- fix specs
	- prettify code
SASS change for watch / unwatch WP