initial debian files

* do not use amalgamation builder
* add include dir for libsqlcipher
* add libsqlcipher-dev as build-dep
several debian/* improvements

* make changelog more suitable than the one generated by stdeb
* switch to debhelper version compat 9, this should allow us to get some hardening flags enabled easier
* add the debian/* files to the copyright notice
* add myself as uploader
* fix version so it matches native requirements
* update standards revision, no changes
* remove installation of unnecessary documentation into wrong location (usr/pysqlcipher-doc/)