Fix dynamic format string functions

- s/r_str_dup_printf/r_str_newf/g
- Add r_strbuf_setf()
Added ESIL description of xchg, xadd, bt, btc, bts, btr, clc, cli, cld, cmc, int3, into, lahf, loop, loope and loopne.
Fix build
Fix #411 - Fix asm.tabs and write test cases
Fix #343 - No autocompletion for breakpoints
Show plugin path in r2 -hh, add r_str_rmch() inline
Fix #415 - Invalid assembly of 'mov [rbp+4], 0'
Minor /R fix
fix mips decode
bitwise opcodes' immediates aren't sign-extended
Added mixing return after setting RBinAddr entry and offset
Fix ebc disasm test (trailing space)
Implement 'iaj' command