Fix Android tarball creation and add 'echo' command
Add some more fortune messages
Fix #157 - sandbox issue in webui

- add 'f' and ':' print formats
- fix nocolor disasm artifact
- add VW command to launch webui
- rename sN to sp (seek to previous hit)
Enhace graphs and handle relocs in webui
Rename '_' macro as 'B'
Handle 'hlt' x86 instruction as trap in analysis
Fix io/cache test case
Do not output ansi codes in visual prompt mode
Add 'on' as in 'r2 -n'
Merge branch 'master' of https://github.com/radare/radare2
Fixes on io maps and fd descs
Fixes for r_num_to_bits()