Facebook & Twitter Blocks for Multi Domains

Changes in Facebook and Twitter Panes.
Panes content now coming from custom functions.

ref-> #164
Chnages in Table structure

Chnaged handler varchar to block_html text
Corresponding changes in code.
ref-> #164
commenting in code
commenting in code
Merge branch 'master' of https://github.com/AamAadmiParty/india-standalone-drupal into akshat/164_multi_domain
Facebook/Twitter Blocks

Changed the name of table.
ref-> #164
unrequired function removed
Merge branch 'master' of https://github.com/AamAadmiParty/india-standalone-drupal into akshat/164_multi_domain
Merge pull request #173 from AamAadmiParty/akshat/164_multi_domain

Merged - Facebook & Twitter Blocks for Multi Domains