Ticket #694: work on 'make install':
 - adhere to --prefix
 - header and lib files installation
 - pkgconfig creation
 - also added version.mak to fill in with the correct version


git-svn-id: https://svn.pjsip.org/repos/pjproject/trunk@3063 74dad513-b988-da41-8d7b-12977e46ad98
8 files changed