Merge pull request #59 from aurelien-minvielle/issue-58

Fix rule inlining mechanism with nested rules.

Author: Horcrux7

src/com/inet/lib/less/Rule.java

@@ -577,7 +577,7 @@ boolean hasOnlyInlineProperties( CssFormatter formatter ) {
         }
 
         for( Rule rule : subrules ) {
-            if( rule.isValidCSS( formatter ) && rule.isInlineRule( formatter) ) {
+            if( rule.isValidCSS( formatter ) && !rule.isInlineRule( formatter) ) {
                 return false;
             }
         }

test/com/inet/lib/less/samples/general/parent-selectors.css

@@ -0,0 +1,3 @@
+.foo .bar {
+  color: blue;
+}

test/com/inet/lib/less/samples/general/parent-selectors.less

@@ -0,0 +1,7 @@
+.foo {
+  & {
+    .bar {
+      color: blue;
+    }
+  }
+}