Only elf files with strange GNU_RELRO segments fail the load, save, cycle.

It would maybe a good idea to separate the layout functionality from the
current save. The current coupling of layout and save make it
impossible to build layouts which contain the elf header via the public
API.

The initial implementation only made sure that all sections and segments
are properly aligned. This is enough for simple embedded applications
but can not deal with more complex layouts.

The new implementation should be more generic given that it respects the
virtual addresses of the individual sections.

One thing which is currently not supported by this rewrite are segments
which contain the program/segment header or even the whole elf header.

Signed-off-by: Serge Lamikhov-Center <to_serge@users.sourceforge.net>

Test's fixes

Set segment's index upon its creation
Move to VS2013 projects

Signed-off-by: Serge Lamikhov-Center <to_serge@users.sourceforge.net>

Fix segment header position when no segments are present
Dumper - dynamic section output added
Dynamic section reader tests are added

Signed-off-by: Serge Lamikhov-Center <to_serge@users.sourceforge.net>

documentation update
<elfio.hpp> was modified to be <elfio/elfio.hpp>

- include files are added to the test project