erlang-cache_tab: Update to 1.0.26

upstream changes:
-----------------
Version 1.0.26
  * Updating p1_utils to version 1.0.21.
  * Update travis config

Version 1.0.25
  * Updating p1_utils to version 1.0.20.

Version 1.0.24
  * Fix compilation with Erlang/OTP 23.0

Version 1.0.23
  * Updating p1_utils to version 1.0.19.
  * Fix compatibility issues with Erlang 23

Version 1.0.22
  * Updating p1_utils to version 1.0.18.
  * Mark p1_utils app as dpendency in .app file
  * Remove usage of statics in c code, which allows for live upgrade of nif component

Version 1.0.21
  * Updating p1_utils to version 1.0.17.

Version 1.0.20
  * Updating p1_utils to version 1.0.16.
  * Make it possible to set type of the ets_cache
  * Add cache support for grow-only counters
  * Export ets_cache:tag() type

Version 1.0.19
  * Updating p1_utils to version 1.0.15.
  * Expand ets_cache API

Version 1.0.18
  * Updating p1_utils to version 1.0.14.
  * Add contribution guide

Version 1.0.17
  * Add ets_cache:insert/3,4 functions

Version 1.0.16
  * Updating p1_utils to version 1.0.13.

Version 1.0.15
  * Updating p1_utils to version 6ff85e8.
  * Don't compile ets_cache to native code
  * Use rand:unifor instead of crypto module

(triaxx)