fixes of README typos and removed redundant new line from GridLayout to minimize changes to master

Author: ftylitak

README.md

@@ -182,8 +182,8 @@ Include the browser-ready bundle (download from [releases](https://github.com/jb
     * default : `{}`
 
     This is the initial layouts of the grid per breakpoint if `responsive` is set to `true`.
-    The `Object` keys are breakpoint names and each values is an `Array` of `Object` items as defined by `layout` prop. eg:{ lg:[layout items], md:[layout items] }.
-    If it is set after the layout creation, it replaces the layout configuration in all breakpoints
+    The keys of the `Object` are breakpoint names and each value is an `Array` of `Object` items as defined by `layout` prop. eg:{ lg:[layout items], md:[layout items] }.
+    Setting the prop after the creation of the GridLayout has no effect.
 
 * **colNum**
 
@@ -641,7 +641,7 @@ Working example [here](https://jbaysolutions.github.io/vue-grid-layout/examples/
 
     Breakpoint Changed event
 
-    Every time the breakpoint value changed due to window resize
+    Every time the breakpoint value changes due to window resize
 
 ```javascript
     /**

src/components/GridLayout.vue

@@ -387,7 +387,6 @@
 
             // finds or generates new layouts for set breakpoints
             responsiveGridLayout(){
-                
                 let newBreakpoint = getBreakpointFromWidth(this.breakpoints, this.width);
                 let newCols = getColsFromBreakpoint(newBreakpoint, this.cols);