adding lines under filters.new

adding filters.new.lower_title_with_count and lower_title
update zh_CN translation
Merge pull request #2251 from fantasticfears/locale

update zh_CN translation
Remove topic.notifications.title translation key since it's always an empty string
Update translations
FIX: Double clicking the home logo could leave you in a perpetual
"Loading" state.
Removes duplicate Controller definition
Merge pull request #2226 from CirnoKaster/patch-2

client.zh_TW.yml: adding lines under filters.new
SCSSLint: Relax all currently failing rules
SCSSLint: Apply indenting

Only targets base indenting and not single line selectors
SCSSLint: Enforce final newline
SCSSLint: SpaceBetweenParens
SCSSLint: Remove unnecessary zero units
SCSSLint: Require space after commas
SCSSLint: SpaceAfterPropertyColon
SCSSLint: Remove duplicate properties

Some duplicates are still required for colour fallbacks
SCSSLint: Space before brace

Allow exceptions for single line alignment
SCSSLint: Trailing semicolon after property value
SCSSLint: Use shorthands for CSS property values

Added comment about other unremovable rules
SCSSLint: Use single line comment blocks

Excluded some third party codeblocks