Merge branch 'release/1.6' into issue/668

* release/1.6: (284 commits)
  Change log entry for #471
  Resolved merge issue after 1.6 > this branch
  Fixed strings not escaped properly after merge of 1.6 into this branch
  Added change log item for #411 fix
  Change log item added for #757
  Sentence closure & spacing
  Do not pass more then 3 params to remove_filter
  Refactor give_show_goal_progress function
  i18n sucurity: escaping translation strings #471
  Add template for give goals shortcode
  Add give_get_template function
  Remove testing code
  Remove code from get_data function
  Add form id abd form title csv column to export donation history csv
  Period for proper doc block
  i18n: replace esc_attr() with esc_attr__() #781
  Corrects capitalization for proper localization
  i18n: replace esc_html() with esc_html__() #781
  Gulp after merge
  Fix issue with non-RTL Donation Information table th not being aligned to left
  ...

Resolved Conflicts:
	includes/admin/class-give-settings.php