Whitespace cleanup: tab removal in tests directory

Also changed space-based indentation in touched files if they used
4 spaces for indentation (instead of the most-often-used 2).

Also added new line to end of touched files if they did not end
that way.

JerryScript-DCO-1.0-Signed-off-by: Akos Kiss akiss@inf.u-szeged.hu

tests/jerry/regexp-literal.js

@@ -28,58 +28,58 @@ t = /\u0000/.exec("\u0000");
 assert (t == "\u0000");
 
 try {
-	eval("/" + String.fromCharCode("0x0000") + "/");
+  eval("/" + String.fromCharCode("0x0000") + "/");
 } catch (e) {
-	assert (false);
+  assert (false);
 }
 
 try {
-	eval("var x = 5\n\n/foo/");
-	assert(false);
+  eval("var x = 5\n\n/foo/");
+  assert(false);
 } catch (e) {
-	assert(e instanceof SyntaxError);
+  assert(e instanceof SyntaxError);
 }
 
 try {
-	eval("var x = 5;\n\n/foo/");
+  eval("var x = 5;\n\n/foo/");
 } catch (e) {
-	assert(false);
+  assert(false);
 }
 
 try {
-	eval("for (;false;/abc/.exec(\"abc\")) {5}");
+  eval("for (;false;/abc/.exec(\"abc\")) {5}");
 } catch (e) {
-	assert(false);
+  assert(false);
 }
 
 try {
-	eval("var a = [] /foo/");
-	assert(false);
+  eval("var a = [] /foo/");
+  assert(false);
 } catch (e) {
-	assert(e instanceof SyntaxError);
+  assert(e instanceof SyntaxError);
 }
 
 try {
-	eval("/");
-	assert(false);
+  eval("/");
+  assert(false);
 } catch (e) {
-	assert(e instanceof SyntaxError);
+  assert(e instanceof SyntaxError);
 }
 
 try {
-	eval("var x = /aaa/");
+  eval("var x = /aaa/");
 } catch (e) {
-	assert (false);
+  assert (false);
 }
 
 try {
-	eval("{}/a/g");
+  eval("{}/a/g");
 } catch (e) {
-	assert (false);
+  assert (false);
 }
 
 try {
-	eval("var a, g; +{}/a/g");
+  eval("var a, g; +{}/a/g");
 } catch (e) {
-	assert (false);
+  assert (false);
 }