Runtime logfile reset at init

Runtime logfile reset at init
    src/util/LogManager.cpp
Added util/assert.h header for unifying assert()

Added util/assert.h header for unifying assert()
Now properly prints the assertion error on android log.
    src/audio/AudioPlayback.cpp
    src/audio/FliteUtil.h
    src/audio/MusicPlayer.cpp
    src/core/ResourceManager.cpp
    src/extern/tiny_obj_loader.cpp
    src/graphics/GlState.cpp
    src/graphics/GlTexture.cpp
    src/graphics/GlUtil.h
    src/graphics/GraphicsManager.cpp
    src/graphics/Renderer2dImage.cpp
    src/graphics/Renderer2dText.cpp
    src/graphics/Surface.cpp
    src/math/Averager.h
    src/math/MathUtil.cpp
    src/math/Random.h
    src/util/CObjUtil.cpp
    src/util/CharMap.cpp
    src/util/File.cpp
    src/util/FileMonitor.cpp
    src/util/FileUtil.cpp
    src/util/Log.cpp
    src/util/LogManager.cpp
    src/util/LogUtil.cpp
    src/util/ObjUtil.cpp
    src/util/TextBoxText.cpp
    src/util/TimedExecution.cpp
    src/util/assert.h
Added FileInfo class

Added FileInfo class to represent (filename,filetype) tuple.
    src/util/File.cpp
    src/util/File.h
    src/util/FileInfo.cpp   (+)
    src/util/FileInfo.h     (+)
    src/util/FileMonitor.cpp
    src/util/FileMonitor.h
    src/util/FileUtil.cpp
    src/util/FileUtil.h
    src/util/LogManager.cpp
    src/util/TestFile.h
    src/util/TestFileInfo.h (+)
    src/util/TestFileMonitor.h
    src/util/TestFileUtil.h
    src/util/TestLogManager.h
Added rename functionality to File and FileUtil

Added rename functionality to File and FileUtil
    src/util/File.cpp
    src/util/File.h
    src/util/FileInfo.cpp
    src/util/FileInfo.h
    src/util/FileUtil.cpp
    src/util/FileUtil.h
    src/util/TestFile.h
    src/util/TestFileUtil.h
Renamed util/assert.h -> util/Assert.h

Renamed util/assert.h -> util/Assert.h
    audio/AudioPlayback.cpp
    audio/FliteUtil.h
    audio/MusicPlayer.cpp
    core/ResourceManager.cpp
    extern/tiny_obj_loader.cpp
    graphics/GlState.cpp
    graphics/GlTexture.cpp
    graphics/GlUtil.h
    graphics/GraphicsManager.cpp
    graphics/Renderer2dImage.cpp
    graphics/Renderer2dText.cpp
    graphics/Surface.cpp
    math/Averager.h
    math/MathUtil.cpp
    math/Random.h
    util/assert.h -> util/Assert.h
    util/CObjUtil.cpp
    util/CharMap.cpp
    util/File.cpp
    util/File.h
    util/FileMonitor.cpp
    util/FileUtil.cpp
    util/Log.cpp
    util/LogManager.cpp
    util/LogUtil.cpp
    util/ObjUtil.cpp
    util/TestFile.h
    util/TextBoxText.cpp
    util/TimedExecution.cpp