Corrected HTML title injection in lfamily() (closes #3713)

Also:
- Corrected HTML title injection in fdlGetAccounts()
Corrected HTML title injection in EDITMAIL (refs #3713)
Corrected HTML title injection in EDITMAIL doc preview (refs #3713)
Added htmlescape() function in common.js (refs #3713)

It's the JS equivalent of PHP's htmlspecialchars().
Corrected HTML title injection in RNAVIGATE (refs #3713)
Corrected HTML title injection in FREEDOM_IFLD (refs #3713)
Corrected HTML title injection in FOLDER_BARMENU (refs #3713)
Corrected HTML title injection in viewdoc/mini-vue (refs #3713)
Changed "Edit" menu to "Modify" in popuplistdetail.php (closes #3722)
Merge pull request #721 from eguaj/3.2-A3713

3.2 a3713
Merge pull request #722 from eguaj/3.2-A3722

Changed "Edit" menu to "Modify" in popuplistdetail.php (closes #3722)
Correct drag & drop for IE6/8 (closes #3726)
Correct openerLink on IE6 (closes #3725)
remove parasite 1x1 in mails (closes #3731)
include images in mail sent as pdf (closes #3730)

also remove some notices and cleanup code
Log message correction (closes #3723)
Merge pull request #730 from cbonnissent/3.2_3723

Correct IE6 notif
Same css for all AUTHENT action (closes #3689)
Merge pull request #727 from thingthing/3.2-I3689

Same css for all AUTHENT action (closes #3689)
Removed CONTRIB sub-dir (closes #3738)