User docs: Improve instructions
User docs: Harmonize some strings about entering URL
User docs: Simplify pathname in home directory
User docs: Change 'user name' to 'username' as everywhere else
User docs: Use proper markup
User docs: Use Unicode for ellipsis
User docs: Remove Palm sync instructions - too old now
User docs: Use 'Mail' instead of 'E-Mail' or 'Emails'
User docs: Don't use 'mails'; mail is plural already
User docs: Use proper markup
User docs: Mark some names as non-translatable
User docs: Update instructions due to Google doc changes
User docs: Link to more specific Seahorse user docs page
User docs: Fix page ID
User docs: Fix broken link to Seahorse docs
User docs: Update href links for project page etc.
User docs: Fix broken See Also link