add slideBackgroundColor
fix the issue that the indicator does not layout correctly when the section index is displayed
add indicatorColor
update SwiftTableViewController for the latest features
update pod spec for 0.2.1
Merge commit 'cb3081413e0ac27588d8bbce1be0a04875b452dc'

* commit 'cb3081413e0ac27588d8bbce1be0a04875b452dc':
  update pod spec for 0.2.1
  update SwiftTableViewController for the latest features
  add indicatorColor
  fix the issue that the indicator does not layout correctly when the section index is displayed
  add slideBackgroundColor

Conflicts:
	SESlideTableViewCell/lib/SESlideTableViewCell.m