[EXPORT][CoIDE] links to include files are added to project file
[EXPORT][CoIDE] changed virtual directory names

changed the names of virtual directories to 'sources' and 'headers'
[HAL][K22F] Added final UART pinnames

See title
Merge pull request #508 from ohagendorf/develop_coide

[Export] CoIDE -  include files are in the project
Merge pull request #513 from Sissors/ksdk

[HAL] K22F - UART pinnames
[EXPORT][CoIDE] problem with missing linker script

- a missing linker script configures the scatter file option (linker
script path in CoIDE) to 'None' not to ''
[EXPORT][CoIDE] [DISCO_407] and [NUCLEO_F4x1] memory areas

The templates now contains the memory areas preconfigured as they are
used in linker scripts. When the CoIDE linker option 'Use memory layout
from memory window' is manually switch on the correct memory layout is
already there.
Add Nucleo targets in MBED_A8 test (those having a DAC)
Remove duplicated entry
Merge pull request #516 from ohagendorf/develop_coide

[EXPORT]  CoIDE - linker script - none fix, memory areas for nucleo 4x1 and disco 407
Merge pull request #517 from bcostm/tests

[Tests] Add Nucleo targets in MBED_A8 test (those having a DAC)