Update get-instance.md
Update en.md
Update destroy-instance.md
Merge pull request #3 from tczbzb/patch-3

Update destroy-instance.md
Merge pull request #2 from tczbzb/patch-2

Update en.md
Merge pull request #1 from tczbzb/patch-1

Update get-instance.md
Update api.md
Update share.md
Update api.md
Merge branch 'refactor_fb_doc' of https://github.com/joshuastray/cocos-docs into refactor_fb_doc

Conflicts:
	manual/framework/html5/facebook-sdk/api-reference/api.md
	manual/framework/html5/facebook-sdk/api-reference/destroy-instance.md
	manual/framework/html5/facebook-sdk/api-reference/en.md
Merge pull request #5 from tczbzb/patch-5

Update api.md
Merge pull request #4 from tczbzb/patch-4

Update share.md
Merge branch 'refactor_fb_doc' of https://github.com/joshuastray/cocos-docs into refactor_fb_doc

Conflicts:
	manual/framework/html5/facebook-sdk/api-reference/api.md
	manual/framework/html5/facebook-sdk/api-reference/share.md
fix conflict
add share
fix conflict in share.md
Merge pull request #500 from joshuastray/refactor_fb_doc

merge documentation from facebook and fix conflicts