Uncomment line in www.conf

Fixes https://github.com/Varying-Vagrant-Vagrants/VVV/issues/363
Uncomment additional lines in www.conf

Fixes #353 and fixes #364
Merge pull request #364 from tnorthcutt/patch-1

Uncomment line in www.conf

Fixes #363 and #353
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Merge pull request #356 from neilpie/master

Update provision.sh to fix xdebug.ini issue
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