Merge pull request #149 from lindahua/devel

Add DataStructures package
Normalize various sha1 files.
Normalize url files.
Bump Cpp sha1
(real) sha1 version bump
Merge pull request #152 from jverzani/devel

Mustache (real) sha1 version bump
Split off 0.1 and 0.2 branches of Profile
Add missing Julia version dependency for Profile
DecisionTree sha1 bump, not requires julia 0.1-
Merge pull request #153 from bensadeghi/devel

DecisionTree sha1 bump, now requires julia 0.1-
Bump Color
DecisionTree sha1 bump
Merge pull request #154 from bensadeghi/devel

DecisionTree sha1 bump
DecisionTree sha1 bump; bug fix
DecisionTree bump, bug fix 2
Merge pull request #156 from bensadeghi/devel

DecisionTree sha1 bump, bug fix, second attempt
remaster.jl: replace deprecated each_line with eachline.
bump PyCall version to work around IPython problem
Bump Tk sha1
Bump Images sha1