Set same minSdkVersion in AndroidManifest.xml as used in the other places.


git-svn-id: svn://svn.code.sf.net/p/irrlicht/code@4728 dfc29bdd-3216-0410-991c-e03cc46cb475
Reduce a bunch of log messages in B3DLoader from ELL_INFORMATION to ELL_DEBUG (thx@ entity for telling).


git-svn-id: svn://svn.code.sf.net/p/irrlicht/code@4729 dfc29bdd-3216-0410-991c-e03cc46cb475