- Vim syntax for the awk file
- Some information is given once per file now.
- Registration of vessels and metrics is also logged.
- Check that .h files do not include:
  * inc files (they are temporary)
  *  external .h file (they might be not available when using plumed library).
The latter is only notified now, since it must be accepted for mpi.h
- Separately store documented actions/cltools/other.
- Check that module type is correct.
- Extensive doc for each check added.

[makedoc]

Conflicts:
	CHANGES/v2.3.txt

Made some regtests explicitly dependent on cregex

Less digits

This flags allow to enable/disable search for libraries.
It is on by the fault, and it can be disabled using
./configure --disable-libsearch
This is useful when installing within package managers
such as macports to make sure that only libraries explicitly
listed as LDFLAGS are linked.

[makedoc]

[makedoc]

[makedoc]

[makedoc]

Testing more MOLINFO groups

List of modules used in the Portfile is now generated automatically
to better deal with user contributed modules. Variants are called
mod_xxx
where xxx is the module name.

In addition, a variant +allmodules has been added to enable all modules.
This variant is used in the travis file to make sure all modules are tested.

I am not sure it is worthwhile to also automatize other variants, so I think
this closes #193