mraa-i2c: Added interactive mode.
mraa-i2c: Added interactive mode.

Signed-off-by: Henry Bruce <57ea958cad66de244404958c9a01f7a4ad51b29e@intel.com>
Signed-off-by: Brendan Le Foll <3e0e8c4069934e8b47d99704927a85c66c0ceb33@intel.com>

alex1818/mraa,ProfFan/mraa,g-vidal/mraa,arunlee77/mraa,mircea/mraa,yongli3/mraa,yongli3/mraa,stefan-andritoiu/mraa-gpio-chardev,malikabhi05/mraa,Jon-ICS/mraa,stefan-andritoiu/mraa-gpio-chardev,g-vidal/mraa,andreivasiliu2211/mraa,malikabhi05/mraa,ncrastanaren/mraa,ProfFan/mraa,yongli3/mraa,g-vidal/mraa,neuroidss/mraa,andreivasiliu2211/mraa,whbruce/mraa,alext-mkrs/mraa,petreeftime/mraa,stefan-andritoiu/mraa,ProfFan/mraa,alext-mkrs/mraa,Propanu/mraa,andreivasiliu2211/mraa,yoyojacky/mraa,anonymouse64/mraa,jontrulson/mraa,arfoll/mraa,g-vidal/mraa,g-vidal/mraa,whbruce/mraa,yongli3/mraa,sergev/mraa,alext-mkrs/mraa,KurtE/mraa,spitfire88/mraa,stefan-andritoiu/mraa,Jon-ICS/mraa,allela-roy/mraa,w4ilun/mraa,spitfire88/mraa,Kiritoalex/mraa,intel-iot-devkit/mraa,whbruce/mraa,damcclos/mraa,damcclos/mraa,KurtE/mraa,matt-auld/mraa,KurtE/mraa,arunlee77/mraa,jontrulson/mraa,alext-mkrs/mraa,sergev/mraa,KurtE/mraa,intel-iot-devkit/mraa,Jon-ICS/mraa,matt-auld/mraa,malikabhi05/mraa,stefan-andritoiu/mraa-gpio-chardev,sergev/mraa,Pillar1989/mraa,stefan-andritoiu/mraa,arfoll/mraa,tripzero/mraa,KurtE/mraa,intel-iot-devkit/mraa,arunlee77/mraa,mircea/mraa,w4ilun/mraa,sergev/mraa,w4ilun/mraa,tripzero/mraa,yoyojacky/mraa,arfoll/mraa,w4ilun/mraa,alex1818/mraa,neuroidss/mraa,smileboywtu/mraa,Propanu/mraa,ProfFan/mraa,intel-iot-devkit/mraa,anonymouse64/mraa,Propanu/mraa,smileboywtu/mraa,tripzero/mraa,Kiritoalex/mraa,yongli3/mraa,arfoll/mraa,jontrulson/mraa,malikabhi05/mraa,smileboywtu/mraa,Hbrinj/mraa,arunlee77/mraa,ncrastanaren/mraa,allela-roy/mraa,andreivasiliu2211/mraa,petreeftime/mraa,nioinnovation/mraa,Pillar1989/mraa,arfoll/mraa,stefan-andritoiu/mraa,ncrastanaren/mraa,spitfire88/mraa,spitfire88/mraa,alext-mkrs/mraa,Pillar1989/mraa,ncrastanaren/mraa,Propanu/mraa,sergev/mraa,intel-iot-devkit/mraa,neuroidss/mraa,matt-auld/mraa,stefan-andritoiu/mraa-gpio-chardev,Hbrinj/mraa,petreeftime/mraa,mircea/mraa,stefan-andritoiu/mraa,Kiritoalex/mraa,nioinnovation/mraa,malikabhi05/mraa,stefan-andritoiu/mraa-gpio-chardev,alex1818/mraa,damcclos/mraa,yoyojacky/mraa,Propanu/mraa,allela-roy/mraa,Hbrinj/mraa,nioinnovation/mraa,whbruce/mraa,jontrulson/mraa,ncrastanaren/mraa,Hbrinj/mraa,anonymouse64/mraa,petreeftime/mraa,jontrulson/mraa