Correct Issue #392

Update all request and routing files to correct missing "HTTP_" in
X_REQUESTED_WITH calls
Merge branch 'Fix-Issue-#392' of github.com:unisys12/docs into unisys12-Fix-Issue-#392

Conflicts:
	en/reference/request.rst
Merge branch 'unisys12-Fix-Issue-#392'
Update views.rst

typo
Fix english typo on Phalcon_Flash_Direct

English typo
Update tags.rst

Some changes in form documentation.
Merge pull request #397 from fizzka/master

Update views.rst
Merge pull request #399 from czepol/patch-1

Update tags.rst
add extra doc for model::skipAttributes()
spacing
list formatting
typo
translation improvement
spaces in brackets
Merge pull request #398 from FlorentMetz/master

Fix english typo on Phalcon_Flash_Direct
Merge pull request #401 from guweigang/master

Add extra doc for model::skipAttributes()
Merge pull request #403 from fizzka/typos-and-formatting

Typos and formatting
translation corrected
fix translation
translation corrected