update pdf.js to v1.0.907

static/pdf.js/locale/en-US/viewer.properties

@@ -62,6 +62,26 @@ hand_tool_enable_label=Enable hand tool
 hand_tool_disable.title=Disable hand tool
 hand_tool_disable_label=Disable hand tool
 
+# Document properties dialog box
+document_properties.title=Document Properties…
+document_properties_label=Document Properties…
+document_properties_file_name=File name:
+document_properties_file_size=File size:
+document_properties_kb={{size_kb}} KB ({{size_b}} bytes)
+document_properties_mb={{size_mb}} MB ({{size_b}} bytes)
+document_properties_title=Title:
+document_properties_author=Author:
+document_properties_subject=Subject:
+document_properties_keywords=Keywords:
+document_properties_creation_date=Creation Date:
+document_properties_modification_date=Modification Date:
+document_properties_date_string={{date}}, {{time}}
+document_properties_creator=Creator:
+document_properties_producer=PDF Producer:
+document_properties_version=PDF Version:
+document_properties_page_count=Page Count:
+document_properties_close=Close
+
 # Tooltips and alt text for side panel toolbar buttons
 # (the _label strings are alt text for the buttons, the .title strings are
 # tooltips)
@@ -69,6 +89,8 @@ toggle_sidebar.title=Toggle Sidebar
 toggle_sidebar_label=Toggle Sidebar
 outline.title=Show Document Outline
 outline_label=Document Outline
+attachments.title=Show Attachments
+attachments_label=Attachments
 thumbs.title=Show Thumbnails
 thumbs_label=Thumbnails
 findbar.title=Find in Document
@@ -124,6 +146,7 @@ loading_error_indicator=Error
 loading_error=An error occurred while loading the PDF.
 invalid_file_error=Invalid or corrupted PDF file.
 missing_file_error=Missing PDF file.
+unexpected_response_error=Unexpected server response.
 
 # LOCALIZATION NOTE (text_annotation_type.alt): This is used as a tooltip.
 # "{{type}}" will be replaced with an annotation type from a list defined in