fastcodeml

Removed dependencies computation from Forest and created a standalone class
Added accessors to Forest
Removed unneeded methods
Write results do nothing if file not defined
Adjusted member visibility to various variables
Removed custom code for memalign
Added more tasking


git-svn-id: https://svn.vital-it.ch/svn/hp2c/trunk/Codeml_Variants/Fastcodeml@4784 95c5a404-1f88-0410-a6b0-c3f062b6f34a