API New Year

Change-Id: I569d5bb88fefbcc0cf312f8433d94deadc12698e
Tuleap: #223

- remove mainbar
- reconnect search/call bar
- add welcome screen
- add smartlist delegate
- use PeopleProxy
- clean and guard (WIN32) code
- remove state label

Issue: #81177
Change-Id: I0cbeb1bf754124ca6bb83acab50f1e7fd0f19e0a

- use #pragma once instead of define
- Correct header typo in company name

Issue: #80939
Change-Id: I241bce32311936bb900937e9a16935d8f4ebdaca

- removed unused code
- sort button is now a list
- switched to LRC sort new API
- removed some tab ugly tab border
- add history call dir arrow
- enforce the destruction of LRC on exit
- add placeholder for dial text box
- style tab header to look like pivot control

Refs #73039
Refs #73040

Change-Id: I57d6fcd3c26860596a11f554555d8a43267ea6c2

Also fix wrong copyright header

Refs #72072

Change-Id: I2920f7f9d7dd8dfdd91f52a46ee33a106781fdbd

Refs #68886

Change-Id: I69b44506dc52a18c47f102466472c68fbf08600b