Restructure kernels with components

[jheo4]

Kernel as an executable and offloadable unit Component as an functionality unit

• [x] CVCamera
• [x] BagCamera
• [x] Enc
• [x] Dec
• [x] RTP sender
• [x] RTP receiver
• [x] Logger
• [x] Remote Input Port
• [x] Remote Output Port
• [x] Detector
• [x] CtxExtractor
• [x] EGLRenderer