Everything but Ic_TP

Adapted correlation integral functions

Modified main() to match

Reproduces old results prefectly
Merge branch '2centre' of https://github.com/m0baxter/corr-int into 2centre

Conflicts:
	makefile
C_str stuff removed

Introduced the StringManipulators functions for manipulating std::strings.
These functions are used to remove all of the gross c_str manipulations.