Revert "jalalidate: leave some date formats alone. rtl-ltr-fix: fix paths at beginning of tags. fix characters inserted into text urls."

This reverts commit 9fda5f19.

jalalidate: leave some date formats alone. rtl-ltr-fix: fix paths at beginning of tags. fix characters inserted into text urls.
some comment rewrite and code cleanup.

jalalidate_viewsFormatter
It convert views dates to jalali

It convert Georgian date format into Jalali date format.

It convert georgian date format into jalalidate.

temporary disable the module until the issue get fixed.
the module

replace strlen and substr functions with their drupal_* variants (except some cases which relied on preg_* and byte positions).

removed empty function persiantools_admin_settings_submit().
moved persiantools_uninstall to persiantools.install file.
persistent variables defined by the module are prefixed by 'persiantools_' now.
some localizable strings were not wrapped in the t() function.

some if-else branching replaced with switch-case in persiantools_get_closing_char.

Fix problems noted in review: http://drupal.org/node/1812542#comment-6611348

Conflicts:
	persiantools.module

fixed: closing tags were not correctly escaped in regexp of skipped tags.