Added developer's guide

Signed-off-by: root <root@linux-s299.site>
Uboot code added
Uboot code added
uboot files added v 2
uboot files added v-3
uboot files added v-4
uboot files added v-5
linux 3.11.6 source code added
board docs added
Merge pull request #1 from shaibalster/shaibal

Added developer's guide
Merge pull request #2 from shaibalster/shaibal

uboot source code added
Merge pull request #3 from shaibalster/shaibal

linux 3.11.6 source code added
Merge pull request #4 from shaibalster/shaibal

board docs added