Necessary for RPM builds on RHEL5

This patch eliminates the need to include
collection's private header and uses only
public interface.

This patch addresses several issues:
a) Adds capability to add or copy the collections
in flattened mode but construct names of attributes
in dotted notation. For example when you append collection
"sub" with items "foo" and "bar" previously you
could add them as "foo" and "bar" not you can
flatten them and the names will be "sub.foo"
and "sub.bar" this allows better processing of the
attributes in the elapi message.
b) Removes old implemntation of the
copy collection function.
c) Removes the col_set_timestamp,
this functionality has been moved to ELAPI
long ago.
d) Updates collection unit test.
e) Updates elapi to use new functionality
f) Updates elapi unit test
Have run under valgrind with no problems.

A relatively small patch aligning headers
and a small portion of code for upcoming
implementation of the async event processing.
Cleanup of the test config file.

This patch creates the infrastructure for
logging of the event from the top of the interface
to the bottom. It is a start. A lot of functionality
is left aside.
The attempt of this patch is pass event from caller
of the ELAPI interface via targets to sinks
then to providers and do serialization creating
entity that is ready to be written to a file.
It also implements more specific provider related
configuration parameters.
Also it addresses couple suggestions that were
brought up against previous patch.

ELAPI Correcting issues

This patch addresses the issues found during the
review of the previous patches and addresses
ticket #166.

This patch drills down to the next level of ELAPI functionality.
I adds the creation and loading of the sinks. It also
implements a skeleton for the first low level provider
which will be capable of writing to a file.
The configuration ini file is extended to define
new configuration parameters and their meanings.