Merge pull request #23 from AlexandrouR/fixedDot

Fixed issue with passing . as a path

Author: AlexandrouR

src/main/java/org/web3j/console/project/ProjectStructure.java

@@ -74,8 +74,11 @@ private String generateRoot(final String path) {
             return System.getProperty("user.home");
         } else if (path.startsWith("~" + File.separator)) {
             return System.getProperty("user.home") + path.substring(1);
+        } else if (path.equals(".")) {
+            return System.getProperty("user.dir");
+        } else if (path.startsWith(".")) {
+            return System.getProperty("user.dir") + path.substring(1);
         }
-
         return path;
     }