build: new build scripts

- to add files, modify the src/<project>.mk file and insert the source file name
- script.mk contains rules to build and is compatible with "makeroot" project
- config contains the build tools name

To crosscompile use the command:  make CROSS_COMPILE=arm-linux-
build: list of projects to build
API: new distribution of the API in different files

 - pilot_atk.h : applications toolkit. This part should be a complete other project.
 - pilot_wtk.h : window toolkit.
 - pilot_utk.h : some functions as memset.
 - pilot_log.h : log functions as LOG_DEBUG LOG_ERROR.
build: build displays only the target short name
application: new API

 - pilot_application_check to check if events are available
 - pilot_application_dispatchevents to dispatch events availables
input: check the input type correctly
application: missing file
log: change log output