Implement Templates admin page

Create `templates` table in database
Add navigation links to Template page
Let admin to manage his templates from adminpanel
Make Smarty search template in database first

If not, fallback to file template
Implement normalizer to convert gettingstarted/../support/default.tpl to support/default.tpl
Add disable_template_override variable to Smarty

To disable Database Template Overriding and use original files
Show templates tree on Admin Templates page

Show active and activated templates in Tree
Make templates tree persistent
[CHANGED] Merge payout crons

* Merge manual and auto-payout into single cronjob
* Update template/code to reflect single payout cron
* Update monitoring page
* Update disable payouts option in admin panel settings
* Update account payout page to use new option

This will fix #967 once merged.
Update POOLS.md
Convert some dependencies to CDNs

Improve page load times by using cdns instead of local hosted files
Merge pull request #980 from daygle/patch-1

Update POOLS.md
Merge pull request #968 from TheSerapher/issue-967

[CHANGED] Merge payout crons
Merge pull request #867 from Kukunin/next

Admin Template Editor page
[FIX] Added renamed cronjob
Update master.tpl

github is not a cdn
Merge pull request #988 from grimd34th/next

Convert some resources to CDNs instead of local hosting