Tmp commit for another PC
Add Makefile
Create original malloc with another thinking
Fix bugs and workflow

- This version can work but have to add test and fix bugs from the script.
- hello_mallo.cpp will be deleted and this file replace it.
Fix block header allocation and add free func
Delete a old file
Add rewrite alloc file

This allocator isn't completed.
Fix filename
Fix some logics but there are some bugs
Fix a variable name
Update hello_malloc.cpp
Merge pull request #4 from ando-takahiro/patch-3

Update hello_malloc.cpp
Update comment
Fix variables type

HeapBlock pointer to HeapBlock
Change pointer declaration
Change header variable's type
Fix orig_malloc but has some bugs yet
Fix first head pointer
Change orig_free

However this code caused Segmentation Fault
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