CLI commands for each ./cmd/ package.
Main func creates log/elog, pprof endpoints and 2-signal kills.
Makefile to use godeps and compile with branch/commit in CLI.
Simplify usage of progress bar.
Remove/add useless/required returns on errors conditions.
Document where branch/commit vars are set.
Extract version string.
Move commands/flags definitions with command docs.

Conflicts:
	cli.go
Remove var blocks.
Rename flags.
Unexport main variables.
Fix bug where double wrap io.Writer with gzip writers.