Do not include unconfirmed transactions in balance view

This will fix #139 showing wrong liquid asset counts. Since
that was confusing I ensured confirmations are included in the calculations.
proper whitespacing
Merge pull request #141 from TheSerapher/issue-139

Issue 139
check if notifications exist at all
Allow pagination on Transaction page

* Added pager to all three transaction tables
* Added two additional pagination definitions to JS
* Added pagination ID to pagination template
Adding support for PPS payout method

This commit changed a few things in the backend and classes code:

* Any <type>_PPS transaction does NOT need to be confirmed
* Queries updated for added <type>_PPS transactions
* Template updated to properly display these transactions

Cronjob

* Added pps_payput cron to run payouts based on worker submitted shares
* **IMPORTANT**: Can NOT be run with proportional_payout!

Addresses #70
properly format payout and round it
forgot 8 decimals
properly format pps value to 12 digits
moved table header to the left
fixing merge conflict