Bump version to 1.1.0

Is identical to v1.1.0-rc1, which has been successfully used in
several bots

Author: Asfand Qazi

Gemfile.lock

@@ -1,7 +1,7 @@
 PATH
   remote: .
   specs:
-    openc-schema (1.1.0.rc1)
+    openc-schema (1.1.0)
       json_validation (= 0.1.0)
       openc-json_schema (= 0.0.14)
       openc_json_schema_formats (= 0.1.3)

openc-schema.gemspec

@@ -3,7 +3,7 @@ $LOAD_PATH.unshift(lib) unless $LOAD_PATH.include?(lib)
 
 Gem::Specification.new do |spec|
   spec.name          = "openc-schema"
-  spec.version       = "1.1.0.rc1"
+  spec.version       = "1.1.0"
   spec.authors       = ["OpenCorporates dev team"]
 
   spec.summary       = %q{JSON Schema to validate data before sending to OpenCorporates.}