Fixed issue #9035: LDAP-search and bind not working with MS ActiveDirectory

Dev: AD needs referrals disabled. Added option in
Dev: plugin settings
Fixed issue #9034: Authentication with blank password using LDAP

Dev: This may or may not be a problem only with ActiveDirectory
Dev: and also depends on the servers settings
Fixed issue #08947: Unable to see underscore in plugin settings (and some other CSS issue)
Dev: add some bootsrap style, get bootsrap 3.1 for width of label and controls
Dev: allow to save without quit in plugin settig
Dev: use autosublit select save actual settings
Dev: use domain name example.com (see RFC 2606)
New feature : beforeHasPermission Plugin events
New feature: Allow barebone URL for OPTOUTURL and OPTINURL
Dev: fix LEMfixnum
Fixed issue #08673: Use Equation attribute 'numeric'
Dev: Same behaviour and same page and next page
Dev: Allow using tag in Equation (use static replacement)
Fixed issue #08946: mandatory numerical input shows numerical only validation error
Fixed issue #08672: Sub question min_value_n attribute in mandatory question Filtered can not be answered
Dev: like other : leave mandatory for mandatory attribute
Dev: don't fix DATE question type
Dev: maybe same fix to apply elsewhere
Dev: we leave the 'red' color BUT : see bug(dev) #8335
Merge branch '2.06' of github.com:LimeSurvey/LimeSurvey into 2.06
New feature #08862: More option in export heading
New feature : allow to select another language when exporting
Dev: add code+text, em code for code, length of abbreviated
Dev: some change in question text
Dev: todo : add some option in answer export
Dev: todo : add plugin event (with list) ?
Dev: No label for boolean plugin settings
Merge pull request #203 from Shnoulle/206_08862_patch

Dev: New feature #08862: More option in export heading
Dev: New feature : allow to select another language when exporting
Dev: some comments
Dev: separate export head style and export head option
Dev: needed or not ? But option apply to different style
Dev Added event to allow plugin to decide which response ID to used when a
token is passed in.
Merge branch '2.06' of github.com:LimeSurvey/LimeSurvey into ls2.06-nocomposer

Conflicts:
	application/controllers/admin/export.php
	application/views/admin/export/exportresults_view.php