* [GED-2539] Timestamp : changed buffer to heap one
[EGD-2539] implemented 1st version of Duration class
[EGD-2539] added autoformating of the output
[EGD-2539] clean up
[EGD-2539] used duration in call and calllog
added Duration operators
[EGD-2539] add better duartions to calllog.db
[EGD-2539] format file
* [EGD-2539] fixes after rebase
* [EGD-2539] displayed format follows design guidline
* [EGD-2539] added UT for duration class and necessary FW fixes
* [EGD-2539] fixed tim_conversion UT
* [EGD-2539] PR fixes
* [EGD-2539] added move constructor to UTF8 class
* [EGD-2539] added checking for nullptr in fillContactData
* [EGD-2539] PR fixes