Added minuteRoundBeforeStep option to timepicker

[anandchakru]

if minuteRoundBeforeStep is true (default true), On first step, round current time to nearest minuteStep.

Example: if current time is 05:23 and minuteStep is 5 increment will be in this order 05:25, 05:30, 05:35

[codecov-io]

Codecov Report

Merging #1814 into development will not change coverage.
The diff coverage is n/a.

@@             Coverage Diff              @@
##           development    #1814   +/-   ##
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  Coverage        85.95%   85.95%           
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  Files               78       78           
  Lines             2101     2101           
  Branches           273      273           
============================================
  Hits              1806     1806           
  Misses             202      202           
  Partials            93       93

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[valorkin]

@anandchakru hey, I have completely reworked timepicker
you can see it here #2058
hopefully you will like new version
please update PR to much new logic