Add new coding style rules and fix appeared issues.

JerryScript-DCO-1.0-Signed-off-by: Andrey Shitov a.shitov@samsung.com

tools/vera++/scripts/rules/jerry_no_tabs.tcl

@@ -0,0 +1,25 @@
+#!/usr/bin/tclsh
+
+# Copyright 2015 Samsung Electronics Co., Ltd.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+foreach f [getSourceFileNames] {
+    set lineNumber 1
+    foreach line [getAllLines $f] {
+        if {[regexp {\t} $line]} {
+            report $f $lineNumber "tabs are not allowed"
+        }
+        incr lineNumber
+    }
+}