added watch task for grunt
putting controllers into separate files
added option to pass cluster location as a parameter
version bump to 0.2
added percolator tab

currently is only possible to navigate/remove queries. adding new percolate queries soon to follow
next/previous page were left out from previous commit
hide cluster overview until cluster information is completely loaded
finished percolator. not too well tested
refactoring on the way alerts are created display. still could improve a lot more, but now its a little more flexible