Merge pull request #224 from jdalphon/generalChanges

Changed the way the data sets are displayed on the experiments page
Merge pull request #225 from jdalphon/generalChanges

data sets table doesnt appear when there are no data sets.
Making descriptions for experiments collapse and some other styling stuff
Merge branch 'master' of git://github.com/isenseDev/rSENSE into generalChanges