clean-up code

* Remove trailing whitespace
  * Converts hard-tabs into two-space soft-tabs
  * Remove consecutive blank lines

app/helpers/application_helper.rb

@@ -23,9 +23,9 @@ module ApplicationHelper
   end
 
   def last_commit(project)
-    if project.repo_exists?  
+    if project.repo_exists?
       time_ago_in_words(project.commit.committed_date) + " ago"
-    else 
+    else
       "Never"
     end
   end
@@ -33,8 +33,8 @@ module ApplicationHelper
   def search_autocomplete_source
     projects = current_user.projects.map{ |p| { :label => p.name, :url => project_path(p) } }
     default_nav = [
-      { :label => "Keys", :url => keys_path }, 
-      { :label => "Projects", :url => projects_path }, 
+      { :label => "Keys", :url => keys_path },
+      { :label => "Projects", :url => projects_path },
       { :label => "Admin", :url => admin_root_path }
     ]
 
@@ -42,10 +42,10 @@ module ApplicationHelper
 
     if @project && !@project.new_record?
       project_nav = [
-        { :label => "#{@project.code} / Issues", :url => project_issues_path(@project) }, 
-        { :label => "#{@project.code} / Wall", :url => wall_project_path(@project) }, 
-        { :label => "#{@project.code} / Tree", :url => tree_project_path(@project) }, 
-        { :label => "#{@project.code} / Commits", :url => project_commits_path(@project) }, 
+        { :label => "#{@project.code} / Issues", :url => project_issues_path(@project) },
+        { :label => "#{@project.code} / Wall", :url => wall_project_path(@project) },
+        { :label => "#{@project.code} / Tree", :url => tree_project_path(@project) },
+        { :label => "#{@project.code} / Commits", :url => project_commits_path(@project) },
         { :label => "#{@project.code} / Team", :url => team_project_path(@project) }
       ]
     end

app/helpers/commits_helper.rb

@@ -1,13 +1,13 @@
 module CommitsHelper
   def diff_line(line, line_new = 0, line_old = 0)
     full_line = html_escape(line.gsub(/\n/, ''))
-    color = if line[0] == "+" 
+    color = if line[0] == "+"
               full_line = "<span class=\"old_line\">&nbsp;</span><span class=\"new_line\">#{line_new}</span> " + full_line
               "#DFD"
-            elsif line[0] == "-" 
+            elsif line[0] == "-"
               full_line = "<span class=\"old_line\">#{line_old}</span><span class=\"new_line\">&nbsp;</span> " + full_line
               "#FDD"
-            else 
+            else
               full_line = "<span class=\"old_line\">#{line_old}</span><span class=\"new_line\">#{line_new}</span> " + full_line
               "none"
             end

app/helpers/projects_helper.rb

@@ -12,7 +12,7 @@ module ProjectsHelper
     else
       true
     end
-  rescue 
+  rescue
     nil
   end
 end