scripts:Update unique error enums as of 10/31/16

No new checks this week, updated script to handle blank lines and also
to not output the API name debug info by default.

Cmd line was "python spec.py -update"
diff --git a/layers/spec.py b/layers/spec.py
index bdd306b..75b3a16 100644
--- a/layers/spec.py
+++ b/layers/spec.py
@@ -142,7 +142,7 @@
                 code_text_list = code_text.split()
                 if len(code_text_list) > 1 and code_text_list[1].startswith('vk'):
                     api_function = code_text_list[1].strip('(')
-                    print "Found API function: %s" % (api_function)
+                    #print "Found API function: %s" % (api_function)
             elif tag.tag == '{http://www.w3.org/1999/xhtml}div' and tag.get('class') == 'sidebar':
                 # parse down sidebar to check for valid usage cases
                 valid_usage = False
@@ -249,9 +249,9 @@
         max_id = 0
         with open(db_file, "r") as infile:
             for line in infile:
-                if line.startswith('#'):
-                    continue
                 line = line.strip()
+                if line.startswith('#') or '' == line:
+                    continue
                 db_line = line.split(self.delimiter)
                 if len(db_line) != 6:
                     print "ERROR: Bad database line doesn't have 6 elements: %s" % (line)
diff --git a/layers/vk_validation_error_database.txt b/layers/vk_validation_error_database.txt
index 35816da..868bbea 100644
--- a/layers/vk_validation_error_database.txt
+++ b/layers/vk_validation_error_database.txt
@@ -2291,4 +2291,3 @@
 VALIDATION_ERROR_02343~^~U~^~Unknown~^~vkCmdDebugMarkerEndEXT~^~For more information refer to Vulkan Spec Section '32.1.2. Command Buffer Markers' which states 'If the matching vkCmdDebugMarkerBeginEXT command was in a secondary command buffer, the vkCmdDebugMarkerEndEXT must be in the same commandBuffer' (https://www.khronos.org/registry/vulkan/specs/1.0-extensions/xhtml/vkspec.html#vkCmdDebugMarkerEndEXT)~^~
 VALIDATION_ERROR_02344~^~U~^~Unknown~^~vkCreateImage~^~For more information refer to Vulkan Spec Section '11.3. Images' which states 'If imageType is VK_IMAGE_TYPE_3D, arrayLayers must be 1.' (https://www.khronos.org/registry/vulkan/specs/1.0-extensions/xhtml/vkspec.html#VkImageCreateInfo)~^~
 VALIDATION_ERROR_02345~^~Y~^~DuplicateDescriptorBinding~^~vkCreateDescriptorSetLayout~^~For more information refer to Vulkan Spec Section '13.2.1. Descriptor Set Layout' which states 'The VkDescriptorSetLayoutBinding::binding members of the elements of the pBindings array must each have different values.' (https://www.khronos.org/registry/vulkan/specs/1.0-extensions/xhtml/vkspec.html#VkDescriptorSetLayoutCreateInfo)~^~
-