Merge pull request #76 from pkkup/master

make default host empty string
Merge pull request #77 from talentral/master

added phonenumber filter
added phonenumber filter
added unicode_to_ascii converter util function
Merge pull request #78 from talentral/master

added unicode_to_ascii converter util function
added meta keywords and description generation
Merge pull request #79 from talentral/master

added meta keywords and description generation
set/add page titles, meta descriptions, and keywords