CMake: no compiler chosen

It could be g++, clang, msvc...
CMake: set verbose mode off
CMake: update permissions of executable apps

* Permissions are:
     * owner: read / writer / execute.
     * group: read / execute.
     * all: read / execute.
CMake: update name of man apps

* Rename xxx.man to xxx.1 (manuals for users).
CMake: refactoring variable to check RESAMPLE_LIBRARY
CMake: update jar name

Rename avtranscoder-jar.jar to avtranscoder.jar.