Support bigint [unsigned] in dj.BaseRelvar.insert().

64-bit integers have to be properly formatted as %d or %u when constructing the insert statement.
minor improvement of displayed error information by dj.AutoPopulate/populate_
prohibited nulls for integer attributes.  A few cosmetic changes.
added .gitignore, fixed a small bug in dj.GeneralRelvar/display introduced in last commit.
made dj.Schema/reload compatible with a future fix for mym's issue #2. Fixed a table declaration parsing bug introduced in 4cba4bd.
fixed a bug that (under rare circumstances) introduced duplicate secondary attributes when using multiple secondary foreign keys.
This bug has always been there. It just came up for the first time now.
Fix parsing of index definitions.

Bug was introduced in 0f2f4a13df78211c65adfacd85cfae8bf33a8ff6 and prevents non-unique index lines from being detected correctly.
ensured that reverse-engineered tables preserve the order of foreignKeys
Merge branch 'future' of github.com:datajoint/datajoint-matlab into future
Added timeout handling and warnings in dj.AutoPopulate -- fixed issue #6.
amending previous commit
amending previous commit
amending previous commit
minor cosmetic code improvements
removed constructor in the automatically generated job table.
cleaned the display functions of dj.Table and dj.GeneralRelvar