Take the chance to update some includes using files available in that
subdir to have them ina more uniform way.
Change-Id: Ibda3c54fd4dc3f6b845cc373f1a1e6b758c1ea82
* Explicitly check for sqlite3 at configure stage, remove old include
dir, fix header inclusion.
* Use configure results for linking instead of hardcoded linker option
for sqlite.
* Add dependency on -dev package for .deb
Change-Id: I6d7f697d67651f02ceb77fc4da4317b64fa47f9e
Fixes: OS#1928