lexer: replace version comments with feature-ids mechanism (#777)

[tangenta]

Cherry-pick #777 to release-3.0.
#777 is rewritten to fit the codebase.

[codecov]

Codecov Report

Merging #838 into release-3.0 will increase coverage by 0.26%.
The diff coverage is 94.91%.

@@               Coverage Diff               @@
##           release-3.0     #838      +/-   ##
===============================================
+ Coverage        64.36%   64.62%   +0.26%     
===============================================
  Files               31       31              
  Lines            11019    11056      +37     
===============================================
+ Hits              7092     7145      +53     
+ Misses            3518     3502      -16     
  Partials           409      409              

[kennytm]

LGTM

[AilinKid]

LGTM

[bb7133]

Failed integration case:

7206 ----------------------------------------------------------------------^M
7207 FAIL: builtin_time_test.go:1143: testEvaluatorSuite.TestFromUnixTime^M  
7208 ^M
7209 builtin_time_test.go:1190:^M
7210     c.Assert(ans.String(), Equals, t.expect, Commentf("%+v", t))^M
7211 ... obtained string = "2016-01-01 00:00:00"^M
7212 ... expected string = "2016-01-01 08:00:00"^M
7213 ... {isDecimal:false integralPart:1451606400 fractionalPart:0 decimal:0 format: expect:2016-01-01 08:00:00}^M                                                                                                                                                                7214 ^M
7215 ^M      

We believe that it is not related to this PR, so ignore it.