Build yard docs to yard-docs and update gitignore

Author: estolfo

.gitignore

@@ -13,7 +13,7 @@
 .yardoc
 coverage
 data
-docs
+yard-docs
 Gemfile.lock
 .ruby-gemset
 .ruby-version

.yardopts

@@ -1 +1,2 @@
-lib/**/*.rb 
+lib/**/*.rb
+-o yard-docs

lib/mongo/dbref.rb

@@ -79,7 +79,8 @@ def initialize(collection, id, database = nil)
     # @example Convert the DBRef to raw BSON.
     #   dbref.to_bson
     #
-    # @param [ String ] buffer The encoded BSON buffer to append to.
+    # @param [ BSON::ByteBuffer ] buffer The encoded BSON buffer to append to.
+    # @param [ true, false ] validating_keys Whether keys should be validated when serializing.
     #
     # @return [ String ] The raw BSON.
     #

lib/mongo/grid/file/chunk.rb

@@ -130,7 +130,8 @@ def initialize(document)
         # @example Convert the chunk to BSON.
         #   chunk.to_bson
         #
-        # @param [ String ] buffer The encoded data buffer to append to.
+        # @param [ BSON::ByteBuffer ] buffer The encoded BSON buffer to append to.
+        # @param [ true, false ] validating_keys Whether keys should be validated when serializing.
         #
         # @return [ String ] The raw BSON data.
         #

lib/mongo/grid/file/info.rb

@@ -196,7 +196,8 @@ def md5
         # @example Convert the file information document to BSON.
         #   file_info.to_bson
         #
-        # @param [ String ] encoded The encoded data to append to.
+        # @param [ BSON::ByteBuffer ] buffer The encoded BSON buffer to append to.
+        # @param [ true, false ] validating_keys Whether keys should be validated when serializing.
         #
         # @return [ String ] The raw BSON data.
         #