[Specification::Linter] Give it a break with the punctuation thing!

Closes CocoaPods/CocoaPods#1242

lib/cocoapods-core/specification/linter.rb

@@ -208,14 +208,12 @@ def _validate_version(v)
       def _validate_summary(s)
         warning "The summary should be a short version of `description` (max 140 characters)." if s.length > 140
         warning "The summary is not meaningful." if s =~ /A short description of/
-        warning "The summary should end with proper punctuation." if s !~ /(\.|\?|!)$/
       end
 
       # Performs validations related to the `description` attribute.
       #
       def _validate_description(d)
         warning "The description is not meaningful." if d =~ /An optional longer description of/
-        warning "The description should end with proper punctuation." if d !~ /(\.|\?|!)$/
         warning "The description is equal to the summary." if d == spec.summary
         warning "The description is shorter than the summary." if d.length < spec.summary.length
       end

spec/specification/linter_spec.rb

@@ -155,11 +155,6 @@ def message_should_include(*values)
         message_should_include('summary', 'meaningful')
       end
 
-      it "checks the summary punctuation" do
-        @spec.stubs(:summary).returns('sample')
-        message_should_include('summary', 'punctuation')
-      end
-
       it "checks that there are not too many comments in the file" do
         podspec = "# some comment\n" * 30
         path = SpecHelper.temporary_directory + 'BananaLib.podspec'
@@ -199,11 +194,6 @@ def message_should_include(*values)
         message_should_include('description', 'meaningful')
       end
 
-      it "checks the description punctuation" do
-        @spec.stubs(:description).returns('sample ' * 100)
-        message_should_include('description', 'punctuation')
-      end
-
       it "checks if the description is equal to the summary" do
         @spec.stubs(:description).returns(@linter.spec.summary)
         message_should_include('description', 'equal', 'summary')