TS-3097 Fix double free of SSL_CTX instances. This closes #126.
Fix some indentation issues:

    No TABs
    Remove some trailing spaces
    Fix a DOS CRLF formatted doc file
TS-3101: Add TSHttpHdrHostGet
C++ API enhancement - redirect support.
Clang related clean up, formatting fixes.
Minor coding style fixes
TS-1475: Coverity 1242015 Buffer not null terminated
Coverity fixes.
TS-1475: Bad value for parameter fix.
Fix assert to be the debug version for Coverity.
TS-2289: Removed old unused AIO modes
Clean up coverity reported leaks in SSL examples and experimental plugin.
Tidy up licenses and code standard issues.