build is a .PHONY target
Install lzo2 and bz2 headers before travis-ci build
Typo.
Fix warning messages
Improved makefile
Fix heavy tests
BUG: GH119 Fixed data hiding for Time64Col type in table (did not affect Time32Cols)
Small code simplification and formatting

Also avoid to use the deprecated API.
Merge branch 'timecol' into develop
Formatting and style
Print default encoding in print_versions
Fix rendom faulures in test_nestedtypes.py

The issue affects python 3.3 and newer and it is related tho the new
"Hash randomization" feature.
PEP8
Typo
RELESAE_NOTES.txt should not be executable
Improved handling of empty str attributes (closes: gh-231)
Silence some build warning
fixed mrege conflict from develop