corrected number of months in a QUARTERLY granularity
tying all the large granularity tick decision making together
Merge branch 'master' of github.com:danvk/dygraphs
adding comments for LONG_TICK_PLACEMENTS
Merge pull request #246 from davidmsibley/master

Quarterly granularity ticker fix
Stack Overflow link on home page
Fix syntax errors in docs and update test script to check for them.
Fix our lone lint error
Merge commit 'de2545148870a1bdb0957c4c42e80bdb8ce1656d' into sauter-custom-datahandler
FEATURE: Adapted DataHandler proposal to implement a unified data format.
TEST: Adapted tests to conform to the new format and wrote new tests for the rolling options.
TEST: Added benchmark test allowing for different dygaphs benchmarks. They are currently deactivated because they take quite a while to run.