Merge pull request #6 from vinhnx/master

Some minor fix
Improved 'Protocols' section.
Add LICENSE (Close #3)

Signed-off-by: Luca Bernardi <luka.bernardi@gmail.com>
Initializer and dealloc - Grammar & minor typos
Properties - Remove duplicated paragraph + grammar
Add link to explanation of "Egyptian brackets"
Add link to raywenderlich.com coding style
Merge pull request #12 from guillaume-algis/patch-4

Add link to raywenderlich.com coding style
Merge pull request #8 from guillaume-algis/patch-1

Initializer and dealloc - Grammar & minor typos
Merge pull request #11 from guillaume-algis/patch-3

Add link to explanation of "Egyptian brackets"
Merge pull request #9 from guillaume-algis/patch-2

Properties - Remove duplicated paragraph + grammar
Fix issue in "Class Name" (Close #7)

Signed-off-by: Luca Bernardi <luka.bernardi@gmail.com>
Fix the broken link of the Aspect lib and its author
Merge pull request #14 from trieukhang274/fix_the_broken_link

Fix the broken link of the Aspect lib and its author