add IBInspectable support for almost all properties

Shapes.podspec

@@ -1,7 +1,7 @@
 
 Pod::Spec.new do |s|
   s.name         = "Shapes"
-  s.version      = "1.0.0"
+  s.version      = "1.0.1"
   s.summary      = "Framework for drawing and animating shaped views on iOS"
 
   s.homepage     = "https://github.com/DenHeadless/Shapes"

Shapes/DTProgressView.h

@@ -35,7 +35,7 @@
 /**
  `DTProgressView` progress. Value range from 0 to 1, 0 by default.
  */
-@property (nonatomic, assign, readonly) float progress;
+@property (nonatomic, assign, readonly) IBInspectable float progress;
 
 /**
  Duration of an animated progress change.

Shapes/DTShapeView.h

@@ -45,32 +45,37 @@
 /**
  Fill color, used by CAShapeLayer. UIColor is automatically converted to and from CAShapeLayer fillColor property.
  */
-@property (nonatomic, strong) UIColor * fillColor;
+@property (nonatomic, strong) IBInspectable UIColor * fillColor;
 
 /**
  Stroke color, used by CAShapeLayer. UIColor is automatically converted to and from CAShapeLayer strokeColor property.
  */
-@property (nonatomic, strong) UIColor * strokeColor;
+@property (nonatomic, strong) IBInspectable UIColor * strokeColor;
 
 /**
  Fill rule, used by CAShapeLayer. Automatically converts to CAFillRule constant values on CAShapeLayer.
  */
-@property (nonatomic, assign) BOOL usesEvenOddFillRule;
+@property (nonatomic, assign) IBInspectable BOOL usesEvenOddFillRule;
 
 /**
- These properties use CAShapeLayer strokeStart and strokeEnd properties directly.
+ Set CAShapeLayer strokeStart property.
  */
-@property (nonatomic, assign) CGFloat strokeStart, strokeEnd;
+@property (nonatomic, assign) IBInspectable CGFloat strokeStart;
+
+/**
+ Set CAShapeLayer strokeEnd property.
+ */
+@property (nonatomic, assign) IBInspectable CGFloat strokeEnd;
 
 /**
  This property uses CAShapeLayer lineWidth property directly.
  */
-@property (nonatomic, assign) CGFloat lineWidth;
+@property (nonatomic, assign) IBInspectable CGFloat lineWidth;
 
 /**
  This property uses CAShapeLayer miterLimit property directly.
  */
-@property (nonatomic, assign) CGFloat miterLimit;
+@property (nonatomic, assign) IBInspectable CGFloat miterLimit;
 
 /**
  This property is automatically converted to QuartzCore line cap constant values on CAShapeLayer.