AwesomeBump v1.0 alpha

Added some major improvements and fixes:
1) log.txt file is created during each run. This file contains
information about possible errors and program outputs. In case some
problems (eq. GL version incompatibility) see this file.
2) New camera.cpp class introduced in order to improve 3D image
manipulation. Right button can be used to pan 3D plane. Left to rotate
camera around paned point.
3) Now 2D image can be dragged with mouse right button  and zoomed with
mouse wheel.
4) New perspective tool funcionality added. You can stretch each corner
of 2D image in order to correct and align image. Reset transform button
restore settings.
5)  Added support for tga files (import and export).