build libodfgen as shared lib

Change-Id: I3a2c9f56e87ee6395bd3505a8fe372632e242312
(cherry picked from commit 36c3f914261f921a62500c2a80da89489748a6fc)
bundle librevenge

Change-Id: Ic36c1670866545db2cf2f29867de7e5b0ad2d57d
(cherry picked from commit b421ce79e39867917ba53be7bf69c8a4e7f8a8ac)
the other way around...

Change-Id: I6aeaa95079e37e710e5b8b1b8ce24464e11f45bb
(cherry picked from commit c5b76e3211552e979b948884cff8c3029cff0f05)
fix deps for projects using librevenge

Change-Id: Icc6e2465d96cc95b229a1f7abc6d51362ae3d016
(cherry picked from commit 7c9c779cfb80a44e22aebf8cb1f22a26b282898d)
always provide REDLAND_CFLAGS/LIBS to ext. projects

Change-Id: Iad1004503e91fbaf6251edc50b20d89ddbb15efa
(cherry picked from commit 0b7d0a82b20c495d4f031ba45ddec01ee01c2a76)
rebase all import libs

Change-Id: I9e1fc613816c943f4fb1033185e34e3acf317f1d
(cherry picked from commit 48c9d7ac7ccdad27067efe0d168e96ff48372631)