Update device regex starting with relative path

paths starting with relative path to another drive for example `../../d:/some/dir/` are not resolved correctly. This regex update fixes it.

Adding and updating tests along with the fix.

Author: ankurp

lib/path.js

@@ -58,7 +58,7 @@ function normalizeArray(parts, allowAboveRoot) {
 // Regex to split a windows path into three parts: [*, device, slash,
 // tail] windows-only
 var splitDeviceRe =
-    /^([a-zA-Z]:|[\\\/]{2}[^\\\/]+[\\\/]+[^\\\/]+)?([\\\/])?([\s\S]*?)$/;
+    /^(?:\.\.[\\\/]|\.[\\\/])*([a-zA-Z]:|[\\\/]{2}[^\\\/]+[\\\/]+[^\\\/]+)?([\\\/])?([\s\S]*?)$/;
 
 // Regex to split the tail part of the above into [*, dir, basename, ext]
 var splitTailRe =

test/simple/test-path-parse-format.js

@@ -28,7 +28,6 @@ var winPaths = [
   'another_path\\DIR with spaces\\1\\2\\33\\index',
   '\\foo\\C:',
   'file',
-  '.\\file',
 
   // unc
   '\\\\server\\share\\file_path',

test/simple/test-path.js

@@ -317,7 +317,8 @@ if (isWindows) {
        [['c:/', '//dir'], 'c:\\dir'],
        [['c:/', '//server/share'], '\\\\server\\share\\'],
        [['c:/', '//server//share'], '\\\\server\\share\\'],
-       [['c:/', '///some//dir'], 'c:\\some\\dir']
+       [['c:/', '///some//dir'], 'c:\\some\\dir'],
+       [['c:/some/random/path', '../../../../../d:/some/dir'], 'd:\\some\\dir']
       ];
 } else {
   // Posix