add append date functionality for planting finished on garden show page and planting list page

Gemfile

@@ -78,11 +78,7 @@ gem 'flickraw'
 # Use unicorn as the app server
 # gem 'unicorn'
 
-# To use debugger
 group :development do
-  # Installation of the debugger gem fails on Travis CI,
-  # so we don't use it in the test environment
-  gem 'debugger'
   # A debugger and irb alternative. Pry doesn't play nice
   # with unicorn, so start a Webrick server when debugging
   # with Pry

Gemfile.lock

@@ -77,7 +77,6 @@ GEM
       coffee-script-source
       execjs
     coffee-script-source (1.8.0)
-    columnize (0.8.9)
     commonjs (0.2.7)
     compass (0.12.7)
       chunky_png (~> 1.2)
@@ -96,12 +95,6 @@ GEM
     dalli (2.7.2)
     database_cleaner (1.3.0)
     debug_inspector (0.0.2)
-    debugger (1.6.8)
-      columnize (>= 0.3.1)
-      debugger-linecache (~> 1.2.0)
-      debugger-ruby_core_source (~> 1.3.5)
-    debugger-linecache (1.2.0)
-    debugger-ruby_core_source (1.3.5)
     devise (3.2.4)
       bcrypt (~> 3.0)
       orm_adapter (~> 0.1)
@@ -336,7 +329,6 @@ DEPENDENCIES
   csv_shaper
   dalli
   database_cleaner (~> 1.3.0)
-  debugger
   devise (~> 3.2.0)
   factory_girl_rails (~> 4.0)
   figaro

app/views/plantings/_thumbnail.html.haml

@@ -42,6 +42,6 @@
           - if can? :edit, planting
             =link_to 'Edit', edit_planting_path(planting), :class => 'btn btn-default btn-xs'
             - if ! planting.finished
-              = link_to "Mark as finished", planting_path(planting, :planting => {:finished => 1}),  :method => :put, :class => 'btn btn-default btn-xs'
+              = link_to "Mark as finished", planting_path(planting, :planting => {:finished => 1}),  :method => :put, :class => 'btn btn-default btn-xs append-date'
           - if can? :destroy, planting
             =link_to 'Delete', planting, method: :delete, data: { confirm: 'Are you sure?' }, :class => 'btn btn-default btn-xs'

app/views/plantings/index.html.haml

@@ -53,7 +53,7 @@
           - if can? :edit, planting
             =link_to 'Edit', edit_planting_path(planting), :class => 'btn btn-default btn-xs'
             - if ! planting.finished
-              = link_to "Mark as finished", planting_path(planting, :planting => {:finished => 1}),  :method => :put, :class => 'btn btn-default btn-xs'
+              = link_to "Mark as finished", planting_path(planting, :planting => {:finished => 1}),  :method => :put, :class => 'btn btn-default btn-xs append-date'
           - if can? :destroy, planting
             =link_to 'Delete', planting, method: :delete, data: { confirm: 'Are you sure?' }, :class => 'btn btn-default btn-xs'