Fixes error when importing xls files

XLS loader was crashing when trying to rename columns.

Upgrading roo solves the issue.

Gemfile

@@ -46,7 +46,7 @@ end
 # Importer
 gem "ruby-ole",                "1.2.11.3"
 gem "rchardet19",              "1.3.5"
-gem "roo",                     "1.9.7"
+gem "roo",                     "1.11.2"
 gem "spreadsheet",             "0.6.5.9"
 gem "google-spreadsheet-ruby", "0.1.8"
 gem "rubyzip",                 "0.9.9"

Gemfile.lock

@@ -62,7 +62,6 @@ GEM
       xpath (~> 0.1.4)
     childprocess (0.3.9)
       ffi (~> 1.0, >= 1.0.11)
-    choice (0.1.6)
     chunky_png (1.2.8)
     coderay (1.0.9)
     columnize (0.3.6)
@@ -128,7 +127,6 @@ GEM
       addressable (~> 2.2.6)
     libv8 (3.3.10.4)
     listen (0.7.3)
-    log4r (1.1.10)
     lumberjack (1.0.3)
     mail (2.4.4)
       i18n (>= 0.4.0)
@@ -219,12 +217,10 @@ GEM
       rgeo (>= 0.2.8)
     rollbar (0.9.6)
       multi_json (~> 1.5)
-    roo (1.9.7)
-      choice (>= 0.1.4)
-      google-spreadsheet-ruby (>= 0.1.5)
-      nokogiri (>= 1.5.0)
+    roo (1.11.2)
+      nokogiri
+      rubyzip
       spreadsheet (> 0.6.4)
-      todonotes (>= 0.1.0)
     rspec (2.10.0)
       rspec-core (~> 2.10.0)
       rspec-expectations (~> 2.10.0)
@@ -280,8 +276,6 @@ GEM
     thor (0.14.6)
     tilt (1.3.6)
     timecop (0.3.5)
-    todonotes (0.1.1)
-      log4r
     treetop (1.4.12)
       polyglot
       polyglot (>= 0.3.1)
@@ -353,7 +347,7 @@ DEPENDENCIES
   rgeo (= 0.3.2)
   rgeo-geojson (= 0.2.1)
   rollbar
-  roo (= 1.9.7)
+  roo (= 1.11.2)
   rspec-rails (= 2.10.1)
   ruby-ole (= 1.2.11.3)
   rubyzip (= 0.9.9)

lib/importer/lib/cartodb-importer/preprocessors/xls.rb

@@ -37,11 +37,11 @@ module CartoDB
     end #preprocessor_for
 
     def xls
-      fix_carriage_returns_in_headers( Excel.new(origin_path) )
+      fix_carriage_returns_in_headers( Roo::Excel.new(origin_path) )
     end #xls
 
     def xlsx
-      fix_carriage_returns_in_headers( Excelx.new(origin_path) )
+      fix_carriage_returns_in_headers( Roo::Excelx.new(origin_path) )
     end #xlsx
 
     def ods
@@ -51,7 +51,6 @@ module CartoDB
     def fix_carriage_returns_in_headers(data)
       g = Array.new
       data.row(1).each{ |cell| g << cell.gsub('\n', '').strip }
-
       if data.row(1) != g
         cell_count = 1
 

script/xls2csv.rb

@@ -15,9 +15,9 @@ else
   when '.odt'
     Openoffice.new(ARGV[0])
   when '.xls'
-    Excel.new(ARGV[0])
+    Roo::Excel.new(ARGV[0])
   when '.xlsx'
-    Excelx.new(ARGV[0])
+    Roo::Excelx.new(ARGV[0])
   end
   s.to_csv("/tmp/#{csv_name}.csv")
   puts "/tmp/#{csv_name}.csv"