Merge pull request #18 from ruil2/master

fix VS build issue: can't find typedefs.h in console project
Fix a typo in the public codec API
Merge pull request #19 from mstorsjo/typofix

Fix a typo in the public codec API
Pretty printed the C++ code with astyle
Merge pull request #21 from ethanhugg/astyle

Pretty printed the C++ code with astyle
Added notes in CODING_STYLE
Fix typo in strnlen fallback
Merge pull request #23 from 0x09/master

Fix typo in strnlen fallback
Merge pull request #22 from ethanhugg/astyle

Added notes in CODING_STYLE
Fix typo in Windows build instructions

Directory for encoder Visual Studio projects should read codec/build/win32/enc.
Merge pull request #24 from rmuch/fixes

Fix typo in Windows build instructions