Determine if current DirectoryIterator item is a symbolic link
displayTo() is an alias of setDefault()
(cherry picked from commit 29c91a1af75701038571e46372216658a6e287dd)

Conflicts:
	ext/tag.c
Added \Phalcon\Tag::getAutoescape()
(cherry picked from commit 2421a54048f8670727fe0ddcc8c47edb089d15a9)
Fix #1263

Plus:
  * Improved test case for #1216 (cherry picked from commit cadd87fc8b5201699c2847484f9f443dbf446c3c)
  * Use escaper service instead of phalcon_htmlspecialchars (cherry picked from commit 966332e405a0d2b02166e2b353467770178b3a3d)
  * Fix #1263 (cherry picked from commit 35fd4ecf45964caf2eb4c66743d829c6d6e1f361)
Fix #1273
getURI bug fix by @dreamsxin
Merge pull request #1274 from sjinks/issue-1273

Fix memory leaks in Phalcon\Http\Request
Merge pull request #1269 from dreamsxin/about_build

Fix build script bug
Merge pull request #1271 from sjinks/issue-1263

[1.3.0] Fix #1263