Fix travis

[pazeshun]

Updated version of #1077

• For indigo and melodic
  • Update .travis to jsk_travis 0.5.6 for indigo test & avoiding long log
    • Fix Forcely upgrade PCRE to avoid failure in building hrpsys with hydro #1077 (comment)
    • Fix Forcely upgrade PCRE to avoid failure in building hrpsys with hydro #1077 (comment)
• For hydro
  • Forcely upgrade PCRE to avoid failure in building hrpsys with hydro
    • Fix Building hrpsys in travis test with hydro failed due to old PCRE #1076
  • Avoid robot_state_publisher failure when PCRE is upgraded
    • load libpcrecpp before collada-dom, fixes #89 ros/robot_model#105 + add libpcrecpp, without this patch, pcrecpp always fails > 13.04 ros/robot_model#106 + link libpcrecpp before other libraries ros/robot_model#108
    • See Forcely upgrade PCRE to avoid failure in building hrpsys with hydro #1077 (comment) and Forcely upgrade PCRE to avoid failure in building hrpsys with hydro #1077 (comment)

[pazeshun]

Travis passed.
@k-okada Could you review this?

[pazeshun]

@k-okada Kindly ping.

[pazeshun]

Thank you very much.