[MOS-948] Fix for tethering popup was losing user unsaved data

Fixed data loss when creating or editing a note/contact after connecting
the USB cable and selecting the option to enable tetering in the popup window
that appears. Now, when the user wants to enable tethering, they will be asked
if they want to exit without saving.

[MOS-1031] Fix Meditation app screen lock

Fix of the issue that Meditation app
would prevent phone from locking on
every screen, though it should do
so only on timer screen.

[MOS-1020] Fix for losing unsaved data

Fix for losing unsaved data when the user click the BACK button while
creating or editing note/contact.

[MOS-1027] Fix lack of tethering icon on 'Tethering is on' popup

Fix of the issue that pressing menu button while
in tethering resulted in LTE and no signal icons
appear on status bar instead of tethering icon.

[MOS-1026] Add extended logging to Pure's charger driver

* Added extended logging to Pure's charger driver.
* Removed redundant handling of INOKB pin
interrupt - charger is configured to provide
the same interrupt via INTB pin.
* Minor code cleanup.

[MOS-930] Fix for for misunderstanding holes in sms conversations

Not all messages can fit on the current screen in sms conversation windows,
so there may be some holes that might suggest that  there are no more messages
to display. Now, when therea are more SMS to see by scrolling up,
the Old Messages label will indicate this fact.

[BH-1728] Fix redundant clock face display while shutting down Harmony

When the user holds the back button for 10 seconds to display
the "turning off" prompt, we  show a redundant clock face display.

[MOS-972] Fixed missing contact entries when scrolling phonebook

Fix of the issue that in some cases contact entry
would not be displayed on any page in case it
was on the boundary of two pages.

[MOS-938] Fix EULA multiline scrolling

Fix of the issue that EULA would not refresh
during scrolling at the end of document.

[MOS-599] Fix undefined phone mode in simulator

Fix of the issue that on simulator phone mode
was in 'undefined' state, what resulted in
no phone mode selected in settings.

[MOS-183] Fix RT1051 debug build

Fix of multiple issues that resulted
in debug build failing.

[MOS-973] Fix for a ghost call after quick click back key to end a call

Fixed a scenario where the user click to make a call to some contact and
then quickly click BACK (right function button) to end the call and despite
that Pure was still calling without showing any information.
This fix prevent to handle key press event as a key longpress even after
application lose a focus, or change a state.

[MOS-982] Recognizing WCDMA network access method for 3G in GUI

Ditto

[CP-1938] UI issues when uploading multiple copies of a specific file

Fixed problem with badly calculating characters to show which cause a
problem with displaying text on UI.

[MOS-178] Add input mode displaying timeout

Added timeout for displaying selected input
mode - now it automatically disappears
after 3 seconds since last change was made.

[MOS-925] Fix redirection on BACK from sending message from Contact view

Fix for inconsistent redirection to message threads list when pressing
BACK from sending message from Contact view. Also proveded mechanizm
to help switching back to previous App, when some App call window
from another App.

[MOS-932] Minor ListViewEngine cleanup

Minor cleanup of ListViewEngine.cpp.

[MOS-932] Fix unneeded deep refresh in empty list

Fix of the issue that pressing up arrow in
empty list (e.g. notes, messages, alarms)
resulted in unnecessary deep refresh of
the screen, as the content didn't change.

[MOS-938] Allow Text control to scroll several lines at once

Ditto

[MOS-166] Unify grey color levels

Unified gray color levels used for texts
displayed in GUI.
Fixed issue with 'No calls yet.' text
not displaying.