[#53420683] Updates the "Receive test updates from your group on your mobile device" page.
[#53420683] Updated the links on the "Add a family member" index page.
[#53420683] Updates the create your group page. Merged the content of post-1-configure-settings-features.html into post-1-create-a-group.html since one was just a continuation of the other. Removed post-1-create-a-group.html because it is nearly identical to the index of the section.
[#53420683] Newline.
[#53420683] Moves some text.
[#53420683] Updates the "Group Toolbox" page of the knowledge base.
[#53420683] Text updates.
[#53420683] Adds link to future page for group registration.
Merge pull request #148 from jdarling91/53420683-receive_text_updates_from_your_group_on_your_mobile_device

[#53420683] Updates the "Receive test updates from your group on your mobile device" page.
[#53420683] Updates the "donations" guide on the knowledge base.
[#53420683] Text update.
[#53420683] Saving progress.
[#53420683] Updated the file uploads page of the knowledge base.
[#53420683] Upadtes the broadcast mesaging page of the knowledge base.x
[#53420683] Text update.
[#53420683] Updates the "accept payments" page of the knowledge base.
[#53420683] Newline
[#53420683] Updates the index.
[#53420683] Newline.
[#53420683] Updates the "create custom boxes" page.