Fix mailchimp full form  #2710

Lets try this again.  Using drupal_render works.  I must've been bypassing something by going straight to the theme.
WIP convert to role-select overlay on cp users #2761

**Note: WIP Do not merge. Breaks manage members page**

#### Changes
* Remove old "add-admin" & "remove-admin" actions
* Consolidate API functions that generate table
* Add new "edit-membership" action
* Remove non-standard "user_id_load()" function in favor of user_load()
for menu item object loading
* Correct user-facing text: group members are "members", not "users".
Remove the download of the git wrapper from the make in favor of composer.
Download the git wrapper in the bash build file.
Fixed layout on two-sidebars, right sidebar only.#2820
Fixed cp_appearance's requirements.  #2349

Was still looking in vendor for autoload.php.
Merge pull request #2984 from openscholar/2349-3

Remove the download of the git wrapper from the make in favor of compser
Removed useless drupal_render #2710
Working on secondary menu dropdown. Cleaned up CSS file.#2819
Secondary menu dropdown.#2819
Secondary menu li issues.#2819
Secondary dorp menus.#2819
Search responsiveness.#2819
Menu and layout fixes.#2829
Secondary nav and search.#2819
Search block edits.#2819
Fixed spacing for tab height.#2820
Corrected search.#2819
Fixed tab min-height.#2820
Fixed search for smaller screens.#2819