Fixed default border color for ORButton. Expected clear border if wasn't set color but nil caused black color

Author: Sergey Aleksandrov

Example/Podfile.lock

@@ -1,5 +1,5 @@
 PODS:
-  - ORCommonUI-Swift (4.2.9):
+  - ORCommonUI-Swift (4.2.10):
     - PureLayout (~> 3.0)
   - PureLayout (3.0.2)
 
@@ -15,7 +15,7 @@ EXTERNAL SOURCES:
     :path: "../"
 
 SPEC CHECKSUMS:
-  ORCommonUI-Swift: 162546f158776379c8bec15695277401ff93cb7a
+  ORCommonUI-Swift: 41f9f118ba074b7951d06ec8665e51e981519560
   PureLayout: 4d550abe49a94f24c2808b9b95db9131685fe4cd
 
 PODFILE CHECKSUM: c1a7e4ec90bec821daefdc23706a32cb5e39369e

Example/Pods/Local Podspecs/ORCommonUI-Swift.podspec.json

@@ -8,7 +8,7 @@
 
 Pod::Spec.new do |s|
   s.name             = "ORCommonUI-Swift"
-  s.version          = "4.2.9"
+  s.version          = "4.2.10"
   s.summary          = "ORCommonUI-Swift - UI extensions, custom views, controllers."
 
 # This description is used to generate tags and improve search results.

Example/Pods/Manifest.lock

@@ -34,9 +34,9 @@ open class ORButton : UIButton {
         }
     }
 
-    @IBInspectable open var borderColor: UIColor? = nil {
+    @IBInspectable open var borderColor: UIColor = .clear {
         didSet {
-            layer.borderColor = borderColor?.cgColor
+            layer.borderColor = borderColor.cgColor
         }
     }